Janice Tjen vs Martina OkalovaPrediction, Head-to-Head Results, and Stats
Janice Tjen and Martina Okalova have met 1 time since 2025; Janice Tjen leads 1–0. Across all meetings Tjen has taken 2 sets to Okalova's 0. Their most recent meeting: Janice Tjen won at SP Open - Sao Paulo (2025).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Tjen | Okalova | ||
|---|---|---|---|---|
| Indicator | Janice Tjen | Martina Okalova | ||
| Wins in straight sets | 63% | 19/30 | 73% | 11/15 |
| Wins a set when losing | 29% | 8/28 | 27% | 6/22 |
| Goes to a deciding set | 33% | 19/58 | 27% | 10/37 |
| Covers −1.5 sets as favorite | 42% | 13/31 | 53% | 8/15 |
| Covers +1.5 sets as underdog | 36% | 9/25 | 21% | 4/19 |
| Tiebreak sets won | 57% | 13/23 | 64% | 9/14 |
| Wins after taking set 1 | 87% | 26/30 | 75% | 12/16 |
| Wins 2-0 after taking set 1 | 63% | 19/30 | 69% | 11/16 |
Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Head-to-head: 1 of 1 completed meetings ended in straight sets (Tjen 1, Okalova 0).
Style Matchup
Playing styles and historical archetype record
Tjen
🤖 Servebot
Okalova
🛡️ The Spoiler
Matchup analysis
The 🤖 Servebot archetype wins about 56% vs 🛡️ The Spoiler across 350 matches in our dataset: a stylistic lean toward Janice Tjen.
Servebot players often use high ace rate and dominant service to pressure the the spoiler's strong court coverage.
Previous meetings
1 career meeting, newest first
Sep 10, 2025
SP Open - Sao Paulo
H Hard · 2nd Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Tjen | Okalova | ||
|---|---|---|---|---|
| Outcome | Janice Tjen | Martina Okalova | ||
| 1 or more | 92% | 11/12 | 0% | 0/2 |
| 3 or more | 67% | 8/12 | 0% | 0/2 |
| 5 or more | 50% | 6/12 | 0% | 0/2 |
| 10 or more | 42% | 5/12 | 0% | 0/2 |
| 15 or more | 0% | 0/12 | 0% | 0/2 |
| 20 or more | 0% | 0/12 | 0% | 0/2 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Tjen | Okalova |
|---|---|---|
| W-L | 6–7 | 0–4 |
| Avg odds | 2.63 | 3.19 |
| ROI % | -25.5% | -100.0% |
| Units P/L | -3.31u | -4.00u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Tjen | Okalova |
|---|---|---|
| Countries | 3 | 2 |
| Events | 3 | 2 |
| Matches | 4 | 2 |
| Distance | 8,184 mi · 13,171 km | — |
| Route | UKR → ROU → CZE | USA → TUR |
Host country from each tournament in the last 30 days, including the current event even when a player arrived on a bye. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Common opponents
Results vs. opponents both players faced · Last 12 months
Across 1 shared opponent, both Tjen and Okalova posted a 100% win rate.
| Opponent | Tjen | Okalova |
|---|---|---|
| Sahaja Yamalapalli | W 62 61 | W 36 76 75 |
Recent Form
Last five matches per player
Aoi Ito
Wuhan Open - Wuhan · 1st Round
Oct 12
Diana Shnaider
China Open - Beijing · 2nd Round
Oct 2
Anhelina Kalinina
China Open - Beijing · 1st Round
Sep 30
Sloane Stephens
Guadalajara Open Akron - Guadalajara · 2nd Round
Sep 16
Darja Vidmanova
Guadalajara Open Akron - Guadalajara · 1st Round
Sep 13
Mirra Andreeva
U.S. Open - New York · 1st Round
Sep 1
Yuliia Starodubtseva
Abierto GNP Seguros - Monterrey · 2nd Round
Aug 26
Dayana Yastremska
Abierto GNP Seguros - Monterrey · 1st Round
Aug 25
Arina Bulatova
W100 Templeton · 1st Round Qualifying
Sep 28
Savannah Broadus
W50 Berkeley · 1st Round
Sep 23
Carolyn Ansari
W100 Landisville · 3rd Round Qualifying
Aug 4
Ava Catanzarite
W100 Landisville · 1st Round Qualifying
Aug 3
Avery Alexander
Odlum Brown VanOpen - Vancouver · 1st Round Qualifying
Jul 25
Ipek Oz
UniCredit Iasi Open - Iasi · 1st Round Qualifying
Jul 12
Sapfo Sakellaridi
W100 Aschaffenburg · 1st Round Qualifying
Jul 6
Petra Sedlackova
W50 Stuttgart-Vaihingen · 3rd Round Qualifying
Jun 30
Win rate
Matches, sets and games won · Last 12 months · 37–58 matches
| Metric | Tjen | Okalova |
|---|---|---|
| Matches won | 52% | 41% |
| Sets won | 50% | 43% |
| Games won | 50% | 46% |
Record by tier
Head-to-head record by tournament tier
| Stage | Tjen | Okalova |
|---|---|---|
| WTA 250 | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Tjen | Okalova |
|---|---|---|
| Hard | 1 | 0 |
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