MexicoWTA GuadalajaraFinished

Predictions graded

Darja Vidmanova #92Czechia0Janice Tjen #372

Sets 6-7 · 2-6Sun 13 Sept 2026, 21:20 Predictions gradedFirst RoundHard

Predictions3–538%

Edges0–20%

Player Profiles

Ranking advantageJanice Tjen · 55 places

Darja Vidmanova

Czechia

The ITF lists Vidmanova as a 23-year-old right-hander whose preferred surface is hard. Her WTA ranking reached a career-best No. 90 in June 2026.

Current ranking: #92
Peak ranking: #90 · 2026
Current age: 23
Preferred surface: Hard
Hand: Right handed
Height: 182 cm

Janice Tjen

Indonesian player born 6 May 2002. She reached a career-high singles ranking of No. 36 on 23 February 2026; the official ITF profile lists a 2026 record of 9-9 on hard courts, without establishing a declared preferred surface.

Current ranking: #37
Peak ranking: #36 · 2026
Current age: 24
Preferred surface: —
Hand: Right handed
Height: 171 cm

Quick Take

Pre-match view

Context last updated 12 Sep 2026, 22:48 · Europe/Bucharest

Vidmanova's superior hard-court form and return game give her a clear edge over Tjen's recent struggles.

Back Vidmanova on the moneyline at 2.10 (14.4-point edge) and set 1 winner at 1.95 (8.7-point edge). Expect a competitive match, but Vidmanova's break point efficiency should secure the win.

Context

Vidmanova, ranked 75, has built a 19-9 hard-court record in 2026 and has been competitive against top-50 opponents recently.
Her 64.3% win rate on hard courts over the last 15 matches is supported by a 51.1% total points won and a 44.6% return points won. Tjen, ranked 36, has a 37.5% win rate on hard courts in the same window, with a 48.8% total points won and a 39.6% return points won. The gap in return effectiveness could be decisive, though Tjen's higher ranking and career win percentage suggest she may still raise her level.
- Vidmanova's last 15 hard-court record: 9-5 (64.3% win rate).
- Tjen's last 8 hard-court record: 3-5 (37.5% win rate).
- Vidmanova's return points won on hard: 44.6%; Tjen's: 39.6%.
- Tjen lost her most recent match 6-2 6-2 to Mirra Andreeva.
Tjen, a right-hander ranked 36, has a career break point conversion rate of 48%, but her recent numbers are significantly lower.
In her last 15 matches, Tjen has converted 35 of 103 break points (34%). On hard courts, that drops to 23 of 58 (39.7%). Vidmanova's break point save rate is 50.9% on hard courts, so Tjen may struggle to capitalize on the opportunities she creates. This inefficiency could keep Vidmanova in games and extend the match.
- Tjen's overall break point conversion in last 15: 34% (35/103).
- Tjen's hard-court break point conversion in last 8: 39.7% (23/58).
- Vidmanova's hard-court break point save rate: 50.9%.
Vidmanova's average match duration over her last 15 is 116.5 minutes, with several matches exceeding two hours.
Her most recent match, a 6-3 6-4 loss to Bouzas Maneiro, lasted 2 hours 16 minutes. She also played a 2-hour 16-minute three-setter against Nikola Bartunkova and a 2-hour 20-minute match against Anhelina Kalinina. While she has had a week to recover, the cumulative load could be a factor if this match goes long.
- Vidmanova's last 15 matches average 116.5 minutes.
- Her most recent match lasted 2 hours 16 minutes.
- She played three matches over 2 hours in her last 15.
Tjen, 36th in the WTA, is the away player in this match and recently lost in straight sets at Monterrey.
She received on-court medical attention early in the second set of that loss but completed the match, so there is no confirmed current restriction. This adds only minor uncertainty about her physical readiness for Guadalajara.
- The reported treatment occurred in the opening game of the second set, and Tjen continued through the 1-hour 51-minute match.
- Stored recent sample: 2 wins from 5 tracked matches.
ReportedSources checked 12 Sep 2026, 22:48 · Europe/BucharestTribuna Norte: Yuliia Starodubtseva vence a Janice Tjen y avanza a cuartos de final en Monterreynorte.tribuna.com.mx · 26 Aug 2026

BetBugs edges

Compare BetBugs' chances with the market's.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result0 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 2.10
The read
Vidmanova's stronger recent form and return/break profile on hard courts give her a clear edge over Tjen's poor recent results.
- Vidmanova last 15 overall record 9-6 (60%), Tjen 5-10 (33.3%)
- Vidmanova hard-court last 15: 9-5 (64.3%), Tjen hard-court last 15: 3-5 (37.5%)
- Vidmanova return points won 44.2% vs Tjen 38.5% overall last 15
- Vidmanova break point conversion 51.9% vs Tjen 34.0% overall last 15
BetBugs · Match WinnerlostDarja VidmanovaEstimated chance62%

Games2 of 2 landed

Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Both players' recent matches average over 23 games, suggesting a competitive match likely to exceed 21.5 games.
- Vidmanova last 15 average games per match: 24.3 (365 games / 15 matches)
- Tjen last 15 average games per match: 23.9 (358 games / 15 matches)
- Both players have multiple three-set matches in recent form
BetBugs · Total GameswonOver 21.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Recent first sets have often been competitive, with an average near 9.5 games, making over 9.5 slightly more likely.
- Vidmanova last 15 set 1 average games: 9.7 (based on recent set scores)
- Tjen last 15 set 1 average games: 9.3 (based on recent set scores)
- Both players have had close first sets in recent matches
BetBugs · Set 1 Total GameswonOver 9.5Estimated chance52%

Sets0 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.95
The read
Vidmanova's superior return game and consistent first-set performance make her the likely set 1 winner.
- Vidmanova first set win conversion 86% career, Tjen 92% career
- Vidmanova last 15 first serve points won 67.7%, Tjen 65.5%
- Vidmanova last 15 return points won 44.2%, Tjen 38.5%
BetBugs · Set 1 WinnerlostDarja VidmanovaEstimated chance60%

Match stats1 of 1 landed

Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Both players average over 2.5 double faults per match, making over 5.5 total double faults likely.
- Vidmanova last 15 double faults per match: 2.7
- Tjen last 15 double faults per match: 3.4
- Combined average double faults per match: 6.1
BetBugs · Total Double Faultsnot gradableOver 5.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Both players have shown a tendency to play tiebreaks, and their competitive styles increase the chance of at least one tiebreak.
- Vidmanova career tiebreak win percentage: 53%
- Tjen career tiebreak win percentage: 64%
- Both players have played multiple tiebreaks in recent matches
BetBugs · Tiebreak in MatchwonYesEstimated chance55%
Signal quality Low · Uncertainty band Near coin-flip · Not priced
The read
The combined ace averages suggest a total around 9, making over 8.5 a coin-flip proposition.
- Vidmanova last 15 aces per match: 5.3
- Tjen last 15 aces per match: 3.7
- Combined average aces per match: 9.0
BetBugs · Total Acesnot gradableOver 8.5Estimated chance50%

Prediction history

Darja Vidmanova has been highly reliable when projected to win

Darja Vidmanova has fulfilled 11 of 11 win predictions, a 100% fulfilment rate. Her average estimated probability was 64.5%, with an expected 7.1 fulfilled predictions, meaning she has outperformed expectations by nearly four wins. The current prediction of 62% sits within her historical range of 55% to 78%, and all 11 matches resulted in wins for Vidmanova.

Recent evidence for Darja Vidmanova11 matches

Date / competitionMatch resultPredictedActualResult

1 Aug·WTA Memphis

#114Darja Vidmanova2-0#83Renata Zarazua

BetBugsDarja Vidmanova to win·58%

Matched

1 Aug 2026

WTA Memphis

#114Darja Vidmanova2-0#83Renata Zarazua

Darja Vidmanova to win

58%probability

Darja Vidmanova won

Matched

1 Aug·WTA Memphis

#114Darja Vidmanova2-1#93Katie Volynets

BetBugsDarja Vidmanova to win·55%

Matched

1 Aug 2026

WTA Memphis

#114Darja Vidmanova2-1#93Katie Volynets

Darja Vidmanova to win

55%probability

Darja Vidmanova won

Matched

31 Jul·WTA Memphis

#320Sloane Stephens0-2#114Darja Vidmanova

BetBugsDarja Vidmanova to win·65%

Matched

31 Jul 2026

WTA Memphis

#320Sloane Stephens0-2#114Darja Vidmanova

Darja Vidmanova to win

65%probability

Darja Vidmanova won

Matched

29 Jul·WTA Memphis

#114Darja Vidmanova2-1#130Marina Bassols Ribera

BetBugsDarja Vidmanova to win·58%

Matched

29 Jul 2026

WTA Memphis

#114Darja Vidmanova2-1#130Marina Bassols Ribera

Darja Vidmanova to win

58%probability

Darja Vidmanova won

Matched

9 Jul·WTA Newport

#92Darja Vidmanova2-0#254Carolyn Ansari

BetBugsDarja Vidmanova to win·78%

Matched

9 Jul 2026

WTA Newport

#92Darja Vidmanova2-0#254Carolyn Ansari

Darja Vidmanova to win

78%probability

Darja Vidmanova won

Matched

Previous match context available

Darja Vidmanova

9W 6L

6-3 6-4#105Jessica Bouzas Maneiro

6-4 6-7(3) 6-3#34Nikola Bartunkova

6-4 7-5#40Cristina Bucsa

7-6(2) 6-3#71Kimberly Birrell

6-3 3-6 6-3#68Panna Udvardy

7-5 6-4#286Caroline Werner

4-6 6-4 6-2#51Anhelina Kalinina

1-6 6-1 6-3#125Kristina Liutova

6-3 6-3#74Renata Zarazua

6-4 6-7(5) 6-1#78Katie Volynets

6-2 6-4#209Sloane Stephens

6-2 3-6 6-4#133Marina Bassols Ribera

3-6 6-3 6-4#179Yeon Woo Ku

6-0 7-6(2)#348Sakura Hosogi

7-6(2) 4-6 6-1#176Greetje Minnen

Janice Tjen

5W 10L

6-2 6-2#5Mirra Andreeva

6-4 6-3#58Yuliia Starodubtseva

2-6 6-3 7-6(5)#113Dayana Yastremska

6-1 7-6(5)#5Mirra Andreeva

7-6(8) 5-7 7-5#56Viktorija Golubic

7-6(9) 7-5#47Liudmila Samsonova

1-6 6-3 7-6(7)#23Anna Kalinskaya

6-4 6-2#151Rebecca Sramkova

6-7(5) 6-1 6-4#61Daria Kasatkina

6-1 7-6(3)#33Leylah Annie Fernandez

7-5 6-7(5) 6-3#65Caty McNally

6-3 6-2#83Tatjana Maria

7-6(4) 6-1#176Greetje Minnen

6-1 6-3#60Ashlyn Krueger

6-4 3-6 6-2#228Nao Hibino

Stat Battle

Last 15 match performance, compared side by side.

DVDarja VidmanovaVidmanova

Last 15

6–2

9 core stats · 1 even

Janice TjenTjenJT

Darja Vidmanova carries the stronger recent form — Janice Tjen's route runs through serve.

Serve · 3–2

1st Serve In59.3%+2.0pp61.3%

1st Serve Won67.7%+2.2pp65.5%

2nd Serve Won42.0%+5.2pp47.2%

Aces / Match5.3+1.63.7

Double Faults / Match2.70.7 fewer3.4

Return · 1–0

Return Pts Won44.2%+5.7pp38.5%

Pressure · 1–0 · 1 even

Break Pts Converted51.9%+17.9pp34.0%

Break Pts Saved49.2%—49.5%

Points · 1–0

Total Pts Won50.7%+2.4pp48.3%

Serve · 3–2

59.3%1st Serve In+2.0pp61.3%

67.7%1st Serve Won+2.2pp65.5%

42.0%2nd Serve Won+5.2pp47.2%

5.3Aces / Match+1.63.7

2.7Double Faults / Match0.7 fewer3.4

Return · 1–0

44.2%Return Pts Won+5.7pp38.5%

Pressure · 1–0 · 1 even

51.9%Break Pts Converted+17.9pp34.0%

49.2%Break Pts Saved—49.5%

Points · 1–0

50.7%Total Pts Won+2.4pp48.3%