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Court Shark Tennis Desk

Li vs Jones Prediction: Osaka 2026 Round of 32

Li's serve supports favoritism in Osaka, but Jones's return record helps explain why Court Shark's model is less confident than the market.

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Ann Li faces Emerson Jones in Osaka's round of 32, with Court Shark's model giving Li a 62% chance. Her serve and recent results support favoritism, but Jones's return record supports a closer match than the market expects.

Agreement on Li, disagreement on the margin

The market is 10 percentage points higher than Court Shark's model on Ann Li against Emerson Jones. Both favor Li. The question is how firmly: Li's stronger ranking and recent wins support the market's more confident assessment, while Jones's return record gives substance to the model's caution. Prices establish the difference in expectations, not its cause.

Tuesday's round of 32 in Osaka brings Li back after a Wuhan run that included a win over Aryna Sabalenka and ended against Iga Swiatek. Jones arrived with consecutive Osaka wins over Heather Watson and Taylah Preston, although Preston retired. Li was ranked No. 31, compared with Jones at No. 134. That ranking gap supports Li's status as favorite, but Jones has already won matches at this event, giving this meeting a different immediate context for each player.

Model and market on Ann Li

Article snapshot, Oct 19, 2026 · Not live

Ann Li's chance as the market consensus priced it from the opening line, next to the Court Shark model.

Ann Li's chance to win
ReadingAnn LiEmerson Jones
Opening consensus71%29%
Latest consensus72%28%
Court Shark model62%38%
Source: Court Shark model and pre-match market consensus.

Li's serve meets Jones's stronger return record

Li held 73% of her service games on hard courts over the past year, while Jones held 67%. That is Li's clearest statistical advantage in this matchup, because it suggests a more reliable route through her own service games without needing frequent breaks. The return comparison runs the other way. Jones broke in 39% of return games, compared with Li's 31%, which gives the underdog a concrete way to challenge that serving advantage.

Those records covered 38 matches for Li and 51 for Jones. They describe each player's results against different opponents, rather than measuring what either will do directly against the other. Recent form also favored Li, but only modestly: she won seven of her last 10 matches, while Jones won six. The same counts applied to their latest hard-court matches, so recent surface form does not offer a separate reason to widen the gap.

Jones needs to make Li's service games difficult

Jones's route to an upset starts with translating her return record into pressure on Li's serve; if she cannot, her weaker holding record leaves less room for error. They had never met. There is therefore no direct history showing whether Jones's return advantage survives this particular matchup, or whether Li can consistently protect her service games against it. That uncertainty cuts both ways, rather than supplying an automatic argument for the underdog.

A deciding set would not erase Jones's chances. She won 22 of 37 career deciding sets, evidence that a longer match need not favor the higher-ranked player simply because of her ranking. Scheduling adds another possible complication for Li: she played six matches in the last 14 days. That workload could matter if the match becomes extended, though her recent results alone do not establish fatigue.

The prediction

Court Shark's model favors Li with a 62% win probability, while the market gives her 72%. Li is the pick. Her stronger service record and recent win over Sabalenka support that choice, but Jones's return results make the model's more restrained assessment persuasive rather than an argument against Li altogether.

Court Shark's AI analyst, which reads the matchup without the market, also picks Li and agrees with the model. The tennis case for agreement rests on Li's ability to hold serve more consistently, with her recent results providing additional support. The forecast's median total is 21 games, and Li winning in straight sets is the likeliest single result.

The middle half of projected outcomes runs from 18 to 27 games, leaving room for either a relatively short match or a more extended contest. The key distinction is on return: Jones has the stronger record there, but she must reproduce it against the player with the better hold rate.

How long it could go

Article snapshot, Oct 19, 2026 · Not live

A 52% chance the match lasts 18 to 27 games; 21 is the middle of the range.

Chance of each total number of games in the match
Total gamesChance
120.2%
131.1%
142.5%
154.9%
167.1%
178.8%
188.8%
198.1%
207.1%
215.2%
226.1%
233.9%
241.9%
253.5%
263.8%
273.5%
283.8%
293.9%
303.7%
313.4%
322.9%
331.9%
341.4%
351.3%
360.6%
380.2%
Source: Court Shark model and match data.

Explore this matchup

Compare both players side by side: recent results, surfaces, serve and return.

Player comparison

Article snapshot, Oct 19, 2026 · Not live

Each measure on the same scale: recent wins, wins on this surface, head-to-head wins and the model's chance.

Player comparison
MeasureAnn LiEmerson Jones
Wins, last 10 matches70% (7-3)60% (6-4)
Wins, last 10 on hard70% (7-3)60% (6-4)
Model win probability62%38%
Source: Court Shark model and match data.

Recent form

Article snapshot, Oct 19, 2026 · Not live

Each player's most recent completed matches, up to 10, oldest on the left.

Recent results by player, oldest first
PlayerDateResultOpponentScoreEvent
Ann LiAug 31, 2026WAntonia Ruzic7-5 6-1US Open
Ann LiSep 2, 2026WDonna Vekic5-7 7-6(4) 6-4US Open
Ann LiSep 4, 2026LLinda Noskova2-6 7-6(6) 2-6US Open
Ann LiOct 3, 2026WAshlyn Krueger6-4 6-2Beijing
Ann LiOct 5, 2026WBelinda Bencic6-4 6-3Beijing
Ann LiOct 7, 2026LElina Svitolina2-6 3-6Beijing
Ann LiOct 13, 2026WCamila Osorio6-1 3-0 RETWTA Wuhan
Ann LiOct 14, 2026WAryna Sabalenka3-6 6-4 7-6(5)WTA Wuhan
Ann LiOct 15, 2026WJanice Tjen6-1 7-6(1)WTA Wuhan
Ann LiOct 16, 2026LIga Swiatek4-6 1-6WTA Wuhan
Emerson JonesAug 24, 2026LSuzan Lamens5-7 7-6(7) 2-6US Open
Emerson JonesSep 22, 2026LYe Xin Ma6-3 0-6 2-6Seoul
Emerson JonesSep 28, 2026WHaruka Kaji6-2 6-4Jingshan 125
Emerson JonesSep 30, 2026WChenting Zhu6-1 6-4Jingshan 125
Emerson JonesOct 2, 2026WKyoka Okamura7-6(4) 7-6(3)Jingshan 125
Emerson JonesOct 3, 2026LAlexandra Shubladze5-7 4-6Jingshan 125
Emerson JonesOct 6, 2026WMai Hontama6-4 6-0Suzhou 125
Emerson JonesOct 8, 2026LZhuoxuan Bai6-1 3-6 6-7(3)Suzhou 125
Emerson JonesOct 17, 2026WHeather Watson6-3 6-3WTA Osaka
Emerson JonesOct 18, 2026WTaylah Preston6-0 0-0 RETWTA Osaka
Source: Court Shark model and match data.

Win rate by surface

Article snapshot, Oct 19, 2026 · Not live

Share of matches won on each surface across each player's last 50 matches with full statistics.

Win rate by surface
SurfaceAnn LiEmerson Jones
Hard53% (17-15)60% (29-19)
Clay62% (8-5)No matches
Grass40% (2-3)Too few matches (2)
Source: Court Shark model and match data.

Serve and return on hard courts

Article snapshot, Oct 19, 2026 · Not live

How often each player held serve and broke serve on hard over their last 50 matches with full statistics, against the tour's all-years average on the surface.

Hold and break rates on hard
MeasureAnn LiEmerson JonesTour average, all years
Service games held73%65%63%
Return games broken30%40%37%
Matches in sample3248
Source: Court Shark model and match data.

Model win probability

Article snapshot, Oct 19, 2026 · Not live

The Court Shark model's chance for each player to win this match.

Model win probability by player
PlayerWin probabilityRecent form (last 10)
Ann Li62%7-3
Emerson Jones38%6-4
Source: Court Shark model and match data.

Ways to win

Article snapshot, Oct 19, 2026 · Not live

Every way the match can finish. The likeliest single result is Ann Li in straight sets (43%).

Chance of each final set score
ResultChance
Ann Li wins 2-043%
Ann Li wins 2-119%
Emerson Jones wins 2-116%
Emerson Jones wins 2-022%
Source: Court Shark model and match data.

Service games held: where they stand

Article snapshot, Oct 19, 2026 · Not live

Each dot is one of the WTA top 100 with enough matches in the last 52 weeks. Ann Li is 23rd of 65; Emerson Jones ranks ahead of 0 of 65.

Service games held, last 52 weeks, against the WTA top 100
PlayerService games heldPlace
Ann Li71.5%23rd of 65
Emerson Jones47.6%Ahead of 0 of 65
Field median69.3%
Field best (Elena Rybakina)83.1%1st
Source: Court Shark model and match data.
Explore this matchup

Court Shark win probabilities are statistical estimates, not advice. No outcome is guaranteed.

Methodology and sources

How we build model estimates and where our information comes from.

Model estimates and observed results

The win probabilities come from the Court Shark match model, trained on completed ATP and WTA matches. A probability says how often a player in this position wins, not that one result will happen. The model's number for a match is recorded before play and never changed afterwards, so it can be checked against the result.

Sources and citations

Results, scores, rankings and serve statistics come from the Court Shark match database. The market consensus is the pre-match price for each player converted to a probability. Figures in this article are a snapshot taken when it was written.

Limitations

Serve and return rates count only matches with full serve statistics, which are sparser for Challenger and lower-level events, and the tour average they are compared with covers every year on record. Head-to-head records count every meeting with a recorded winner, walkovers and retirements included. Charts and tables are a snapshot and do not update after publication.

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