Wawrinka needn’t dominate Lehecka to keep this close; he needs his serve to stop the score running away. Five days’ recovery separates Basel from the Cobolli loss that followed a 2-hour-46-minute grind with Landaluce. In that first Lyon match, he hit 16 aces and saved all four break points. The serve is the route.

That makes Over 22.5 at 1.86 appealing: seven of Wawrinka’s last nine matches cleared the line, with tie-breaks in five. Lehecka’s Tokyo final showed his high ceiling, but he then lost three-setters to Jodar and Griekspoor after taking the opening set; October also brought three-set wins over Borges, Humbert and Bergs. A tight two-setter with a tie-break or a decider fits both profiles.

The danger is the occasion itself. If the farewell tribute drains Wawrinka early, Lehecka’s pace changes and forehand acceleration could expose his lateral movement and turn this into a quick straight-sets finish.

Tabilo’s recent ceiling has been high enough to keep this line in play: he beat Tommy Paul 6-1, 6-2 indoors in Tokyo, then took Shapovalov and Carreño Busta beyond 30 games. Those losses came late, not because he was outclassed.

Jódar leads their 2026 meetings 2-1, including a 6-2, 6-1 Cincinnati win; Washington took 33 games. But five of six Shanghai matches went three sets, with 25, 30, 29, 29 and 30 games. That is a persuasive case for a long match, not a guarantee.

Tabilo skipped Almaty and has been adding net approaches behind his left-handed serve, a way to find holds indoors. Jódar cramped in the Shanghai final, and David Ferrer has raised workload concerns. Total Over 21.5 at 1.8 has more than one route: Tabilo can take a set or force a tie-break in a two-set loss.

The obvious danger is Cincinnati repeating itself. Tabilo can also hand away games if his first-serve percentage drops and the unforced errors arrive in clusters.

Norrie is on a five-match losing streak, but the defeats have been stubborn rather than swift: he took sets from Bonzi, Svrčina and Zverev in Cincinnati, while his Beijing loss to Zverev lasted 23 games. All five cleared 22.5 games—a useful pattern, not proof that his form has turned.

Indoor hard suits his case: Norrie went 10-4 on the surface in 2025, and his serve and backhand can help him avoid being pinned down. Cerúndolo brings sharper recent form, but his Brussels run had both sides of the argument: he beat Damm 6-4, 7-6 and Chidekh 6-2, 6-4, then failed to serve out the semifinal against Griekspoor.

That mix makes the Over 22.5 at 1.946 worth backing. Norrie’s tendency to extend matches meets Cerúndolo’s indoor quality and a very recent example of a lead slipping away; Norrie has had more time since Lyon, while Cerúndolo arrives after a taxing Brussels week. The likely route is three sets or a tight two-setter with a tie-break.

The risk is plain: Cerúndolo’s first serve and forehand could overwhelm a low-confidence Norrie before he finds rhythm, turning this into a quick straight-sets win.

Shelton’s autumn has been stop-start: after beating Daniel Altmaier, he lost two tie-break sets to Arthur Gea, whose deep returns denied him easy first-ball attacks. The shoulder issue behind his Tokyo withdrawal is a warning about disrupted preparation, not proof of a current Basel limitation.

Kovacevic brings a more persuasive indoor serving case: he hit 25 aces against James Duckworth and faced just one break point, then lost a tie-break serving contest to Giovanni Mpetshi Perricard. Stefanos Tsitsipas also called his serve exceptional after their hard-fought match in Almaty.

Over 23.5 at 2.069 is worth taking because this matchup can reach the line through a decider or two tight sets; 7-6, 7-5 or a pair of tie-break sets would do it. Recent scores and Kovacevic’s serving give that route substance, rather than making the price depend on Shelton suddenly finding his best form.

The case breaks if Shelton’s left-handed serve and forehand repeatedly expose Kovacevic’s one-handed backhand and produce early breaks. That could turn this into a routine straight-sets win before the close-set pattern has a chance to matter.

Vienna sets up as a serve-first argument: Khachanov has shown he can protect his delivery and stay dangerous late, and he reached the final here in 2024. The question is less whether he can hold than whether Alcaraz can make enough return games uncomfortable.

Khachanov won 69 of 80 first-serve points against Bublik, yet lost in three; against Macháč, he survived match-point danger before escaping. Alcaraz, meanwhile, says he still needs competition and rhythm after a two-week gap and a 5-7, 6-7 loss to Bergs.

Six of Alcaraz’s last seven tour matches featured a tie-break, including against Lehečka, Shapovalov, Arnaldi and Michelsen. A single 7-6 set can put the Over 22.5 within reach; a decider gets it there. At 2.088, the price is worth taking on that tight-set script.

The concern is real: Khachanov comes off back-to-back two-and-a-half-hour battles in Almaty, and Alcaraz’s drop shots and pace changes could unsettle him early enough for a routine straight-sets win. But Khachanov’s serve has repeatedly kept him in long finishes; that is the case the number is asking us to overlook.

Every one of Paul and Rublev’s six meetings has featured a 7-5 or 7-6 set, and three went the distance. That pattern has fresh company: Paul needed three sets to beat Bonzi and Moutet in Lyon, while Rublev’s recent matches have often swung between strong spells and lapses.

Paul’s movement, returning and forward play give him ways to disturb Rublev’s preferred rhythm, but his Lyon loss to Fritz exposed the closing issue: he went 0-for-9 on break points and missed late set points. Rublev still hits through opponents when settled, owns a 5-1 head-to-head lead, and is 13-7 in Vienna, including a title.

Over 23.5 games at 1.97 is the angle: a decider or two tight sets get us there, and the market is underestimating how likely this pair are to trade momentum. Paul is keen to chase his year-end ambitions; Rublev has had more recovery time and brings the firepower to make that a contest.

The danger is specific: Lyon’s workload catches Paul, or Rublev’s frustration—still a live issue despite his work with Marat Safin—turns the match into a lopsided two-setter.

Buse’s first indoor-hard singles of the season comes after a two-week match layoff, and his recent starts are the awkward part: Bergs beat him 0-6, 3-6 in Shanghai; Halys took the first set 6-1 in Beijing. Vienna gives Mannarino the quicker read on these conditions.

The Frenchman is 10-5 indoors this year and has already won two qualifying matches here, beating Tirante 6-4, 7-6 and Molcan 7-5, 6-2. His flat, early contact can rush a player who needs time to set up the forehand. At 1.905, the Under 22.5 is priced like a coin flip; I think it should be shorter.

Buse’s 1-3 indoor record in 2025 adds to the adjustment question. Even his clay win over Mannarino in Madrid ended in 18 games, while the recent China losses were also short. Mannarino can win this in two if Buse’s serve wobbles—or lose quickly if the autumn workload catches him, as in his 3-6, 1-6 loss to Basilashvili.

The case against the line is Mannarino’s mid-match lull: he needed three sets against Cobolli, Rublev and Vukic, leaving Buse a route to a decider. That is the real danger, not a reason to dress up a different market.

Mensik has the bigger weapons, but the case for a quick dismissal of Neumayer is shakier than the rankings suggest. The Austrian has already won twice on these indoor courts, while Mensik’s recent 6-7, 4-6 loss to Arthur Gea included two missed break points and a squandered tie-break lead.

Neumayer’s qualifying win over Droguet was more than a home-court warm-up: he saved his composure after missed chances, used the angles well and was not broken. Mensik, meanwhile, has had a two-week competitive break since Shanghai and only a brief tie-break exhibition at the venue.

Over 20.5 games at 1.87 is appealing because Neumayer need not win the match to make this work. A 7-5 or 7-6 set alongside a routine 6-3 or 6-4 set gets the total over; Mensik’s tight 6-4, 7-6 win over Bublik is a useful reminder that his matches can run that way.

The danger is plain: Mensik’s return pace could expose Neumayer’s second serve, as Dodig did in Braga, or the home occasion could tighten the Austrian up. But his Vienna form gives this line a sturdier case than a routine straight-sets win for the favourite would suggest.

Fearnley needed three sets to beat Carreno Busta (6-4, 3-6, 6-3) and Sonego (6-1, 6-7, 6-4) in qualifying. His recent straight-set losses to Dzumhur and Chidekh also featured first-set tie-breaks; Fery’s 6-7, 7-6, 6-7 against Khachanov is stronger evidence still of a match that can stretch.

The styles give that pattern somewhere to go: Fearnley’s wide serve and deep groundstrokes can produce comfortable holds, while Fery’s backhand return, slice and attacks on the second serve can disrupt the rhythm. Fery’s 21-6 indoor record in 2025 adds weight to the matchup case, not a guarantee of a one-sided edge.

Both have shown they can recover in a contest, but not always protect an advantage: Fery let a deciding-set break slip against Khachanov, and Fearnley has failed to build on early leads. With Australian Open places and seeding in view, Over 22.5 at 1.832 looks better than fair: the line underestimates how often these two have been pulled into close sets.

The danger is concrete: Fearnley may feel the load of his compressed schedule and two three-set qualifiers, or Fery may serve as flatly as he did early against Gojo. Either could turn this into a routine two-set finish.

Machac’s attack is coming back, and his Almaty battle with Khachanov showed it: he took the ball early, came forward and forced a third-set tie-break. He has also already beaten Moutet 6-4, 6-4 in Vienna qualifying, then got a recovery day when Marozsan withdrew.

De Minaur is the stronger overall case, but not an obvious quick-rout case: he arrives on a six-match indoor winning run this season, has made two straight Vienna semifinals and needs results in the ATP Finals race. His serving under pressure has been useful; wins over Sakamoto, Rublev and Halys all went beyond 21 games.

Over 21.5 at 1.886 is the play. The line asks for one extended set—or for Machac to take a set—and his recent level, Vienna court time and the extra rest make that a better proposition than assuming De Minaur will cruise in his first match of the week.

The danger is specific: Machac can start error-strewn, then let frustration creep in if he misses early break chances. His Almaty run showed he can create pressure; it did not prove he will always finish the job.