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Court Shark Tennis Desk

Tjen vs Kudermetova Prediction: Guangzhou 2026 Round of 32

Tjen's higher ranking separates the players most clearly, but Kudermetova's return record makes the Guangzhou matchup less straightforward.

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Janice Tjen faces Polina Kudermetova in Guangzhou's round of 32. Her higher ranking is the clearest separator, with Court Shark's model giving Tjen a 60% chance to win.

A place in the next round

The round of 32 at Guangzhou offers Polina Kudermetova and Janice Tjen a place in the last sixteen on Tuesday. Tjen's higher ranking is the clearest distinction before a match in which recent results offer little support for a strong favorite. The separation is real, but limited.

This hard-court meeting gives Tjen an opportunity to end a two-match losing run, while Kudermetova arrives after a defeat that followed three consecutive wins. Neither enters with an unbroken run of success to defend. For Tjen, the task is to turn her stronger ranking into a result; for Kudermetova, it is to extend the better stretch that preceded her latest loss. They have never met, so there is no direct history to establish whether this particular opponent suits either player.

Ways to win

Article snapshot, Oct 26, 2026 · Not live

Every way the match can finish. The likeliest single result is Janice Tjen in straight sets (41%).

Chance of each final set score
ResultChance
Polina Kudermetova wins 2-024%
Polina Kudermetova wins 2-116%
Janice Tjen wins 2-119%
Janice Tjen wins 2-041%
Source: Court Shark model and match data.

Tjen's ranking is the clearest separator

Tjen stood at No. 46, while Kudermetova was No. 105. That is the strongest broad distinction between players whose immediate results do not otherwise point consistently toward the same favorite in this matchup. Ranking favors Tjen. It establishes a stronger overall position, though it does not by itself explain how she wins on this surface.

The service records provide a narrower tennis explanation for that advantage: Tjen held 71% of her service games on hard courts, compared with Kudermetova's 67%. Those figures cover the past year rather than just their latest tournaments. My reading is that Tjen has the more dependable starting point on serve, which supports the ranking-based preference without making it decisive. The distinction matters because holding more consistently can reduce the number of successful return games she needs, but the return records complicate that picture.

Kudermetova's return offers a route through

Kudermetova broke serve in 34% of her return games on hard courts over the same window, against Tjen's 26%. That reverses the service comparison and gives the underdog a concrete way to challenge the favorite's apparent advantage. The return favors Kudermetova. If she can regularly threaten Tjen's service games, the ranking difference becomes less useful as a guide to this match.

Recent results also resist a simple preference for Tjen: Kudermetova went 5-5 in her latest matches, while Tjen went 4-6. Their recent hard-court records matched those overall records, so the surface did not produce a separate form advantage for Tjen.

Kudermetova's latest appearance ended in retirement against Elena Rybakina in Ningbo. That leaves a fitness question, but the result alone does not establish its cause or whether it affects this match. Her ability to complete the match without restriction is a concrete condition behind any upset case.

The prediction

Court Shark's model favors Tjen with a 60% win probability, while the market consensus has her at 61%. The two assessments are close. Both favor the higher-ranked player despite Kudermetova's slightly better recent results, rather than identifying an overwhelming favorite in this first meeting between them.

Explore this matchup

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

Player comparison

Article snapshot, Oct 26, 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
MeasurePolina KudermetovaJanice Tjen
Wins, last 10 matches50% (5-5)40% (4-6)
Wins, last 10 on hard50% (5-5)40% (4-6)
Model win probability40%60%
Source: Court Shark model and match data.

Recent form

Article snapshot, Oct 26, 2026 · Not live

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

Recent results by player, oldest first
PlayerDateResultOpponentScoreEvent
Polina KudermetovaAug 24, 2026LLinda Fruhvirtova1-6 3-6US Open
Polina KudermetovaSep 21, 2026LKamilla Rakhimova6-7(4) 6-4 5-7Seoul
Polina KudermetovaSep 30, 2026WYe Xin Ma6-7(2) 6-3 6-2Beijing
Polina KudermetovaOct 2, 2026WClara Tauson6-4 4-6 6-4Beijing
Polina KudermetovaOct 4, 2026LMirra Andreeva4-6 1-6Beijing
Polina KudermetovaOct 10, 2026LKatie Volynets2-6 1-6Wuhan
Polina KudermetovaOct 17, 2026WMananchaya Sawangkaew6-3 6-4WTA Ningbo
Polina KudermetovaOct 18, 2026WAnastasia Zakharova6-3 6-3WTA Ningbo
Polina KudermetovaOct 20, 2026WCristina Bucsa7-6(5) 6-2WTA Ningbo
Polina KudermetovaOct 22, 2026LElena Rybakina0-5 RETWTA Ningbo
Janice TjenAug 25, 2026LYuliia Starodubtseva4-6 3-6Monterrey
Janice TjenSep 1, 2026LMirra Andreeva2-6 2-6US Open
Janice TjenSep 13, 2026WDarja Vidmanova7-6(6) 6-2Guadalajara
Janice TjenSep 16, 2026LSloane Stephens6-7(4) 6-7(3)Guadalajara
Janice TjenSep 30, 2026WAnhelina Kalinina2-6 7-5 6-4Beijing
Janice TjenOct 2, 2026LDiana Shnaider0-6 4-6Beijing
Janice TjenOct 12, 2026WAoi Ito6-3 6-1Wuhan
Janice TjenOct 14, 2026WDaria Snigur7-5 6-3Wuhan
Janice TjenOct 15, 2026LAnn Li1-6 6-7(1)Wuhan
Janice TjenOct 19, 2026LAshlyn Krueger4-6 4-6WTA Osaka
Source: Court Shark model and match data.

Win rate by surface

Article snapshot, Oct 26, 2026 · Not live

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

Win rate by surface
SurfacePolina KudermetovaJanice Tjen
Hard50% (11-11)49% (18-19)
Clay67% (16-8)33% (2-4)
GrassToo few matches (4)29% (2-5)
Source: Court Shark model and match data.

Serve and return on hard courts

Article snapshot, Oct 26, 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
MeasurePolina KudermetovaJanice TjenTour average, all years
Service games held64%72%63%
Return games broken33%26%37%
Matches in sample2237
Source: Court Shark model and match data.

Model and market on Polina Kudermetova

Article snapshot, Oct 26, 2026 · Not live

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

Polina Kudermetova's chance to win
ReadingPolina KudermetovaJanice Tjen
Opening consensus39%61%
Latest consensus39%61%
Court Shark model40%60%
Source: Court Shark model and pre-match market consensus.

Model win probability

Article snapshot, Oct 26, 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)
Polina Kudermetova40%5-5
Janice Tjen60%4-6
Source: Court Shark model and match data.

How long it could go

Article snapshot, Oct 26, 2026 · Not live

A 53% 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
130.8%
142.1%
154.3%
166.5%
178.6%
188.7%
198.3%
207.4%
215.3%
226.5%
234.2%
241.8%
253.5%
263.9%
273.5%
283.8%
294.0%
303.8%
313.6%
323.1%
332.0%
341.5%
351.5%
360.7%
380.3%
Source: Court Shark model and match data.

Service games held: where they stand

Article snapshot, Oct 26, 2026 · Not live

Each dot is one of the WTA top 100 with enough matches in the last 52 weeks. Polina Kudermetova ranks ahead of 1 of 64; Janice Tjen is 31st of 64.

Service games held, last 52 weeks, against the WTA top 100
PlayerService games heldPlace
Polina Kudermetova58.6%Ahead of 1 of 64
Janice Tjen69.9%31st of 64
Field median69.8%
Field best (Elena Rybakina)82.7%1st
Source: Court Shark model and match data.

Two years of form

Article snapshot, Oct 26, 2026 · Not live

Each player's pre-match Elo rating since Dec 28, 2024. Latest: Janice Tjen 1701 (Oct 15, 2026), Polina Kudermetova 1665 (Oct 10, 2026).

Pre-match Elo rating over the last two years
PlayerStart of windowTwo-year peakLatest
Polina Kudermetova1522 (Dec 28, 2024)1705 (Jun 10, 2026)1665 (Oct 10, 2026)
Janice Tjen1500 (Feb 26, 2025)1815 (Jan 7, 2026)1701 (Oct 15, 2026)
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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