Sofia Costoulas vs Tatiana ProzorovaPrediction, Head-to-Head Results, and Stats
Sofia Costoulas and Tatiana Prozorova have met 1 time since 2026; Tatiana Prozorova leads 1–0. Across all meetings Costoulas has taken 1 sets to Prozorova's 2. Their most recent meeting: Tatiana Prozorova won at Philippine Women's Open - Manila (2026).
Upcoming match
- Tournament
- Singapore Tennis Open - Singapore
- Level
- WTA 500
- Round
- 1st Round
- Surface
- Hard
- Date & time
- September 20 · 10:00 PM ET
Book odds
Set spread
Game spread
Record at prices like this
At 1.63 or shorter, Tatiana Prozorova has won 15 of 20 (75%). The price implied 64%, so Tatiana Prozorova has beaten it by 11 points.
At 2.19 or longer, Sofia Costoulas has won 3 of 10 (30%). The price implied 38%, so Sofia Costoulas has fallen 8 points short of it.
Book prices with the bookmaker margin removed, across every priced match we hold for each player. Green beats the price by 3 points or more, red falls that far short, grey is within 3 points. Samples under ten are not shown.
Sofia Costoulas meets Tatiana Prozorova in the first round of the Singapore Tennis Open on September 20 on hard court. Costoulas, ranked 150th, comes in off a two-match losing streak and has won just two of her last five. Prozorova sits at 165th and carries a three-match skid, though she has not played in 26 days.
The head-to-head stands even at one win apiece. Both players have mixed results against common opponents lately. Prozorova has beaten Gabriela Andrea Knutson, Hanne Vandewinkel, and Matilde Jorge in recent matches; Costoulas fell to all three. Both players lost to Elvina Kalieva in their respective encounters.
Both Costoulas and Prozorova rely on aggressive baseline hitting and power off the ground. On hard court, Costoulas has posted a 12-8 record while Prozorova stands at 13-7, suggesting Prozorova performs slightly better on the surface. Costoulas will need to stabilize her game after limited match play, while Prozorova must shake off rust from a longer layoff.
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Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Costoulas | Prozorova | ||
|---|---|---|---|---|
| Indicator | Sofia Costoulas | Tatiana Prozorova | ||
| Wins in straight sets | 70% | 28/40 | 83% | 25/30 |
| Wins a set when losing | 34% | 10/29 | 33% | 6/18 |
| Goes to a deciding set | 32% | 22/69 | 23% | 11/48 |
| Covers −1.5 sets as favorite | 49% | 23/47 | 62% | 23/37 |
| Covers +1.5 sets as underdog | 53% | 10/19 | 20% | 2/10 |
| Tiebreak sets won | 44% | 7/16 | 44% | 4/9 |
| Wins after taking set 1 | 83% | 35/42 | 90% | 28/31 |
| Wins 2-0 after taking set 1 | 67% | 28/42 | 81% | 25/31 |
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: 0 of 1 completed meetings ended in straight sets (Costoulas 0, Prozorova 0).
Style Matchup
Playing styles and historical archetype record
Costoulas
💥 Big Hitter
Prozorova
💥 Big Hitter
Matchup analysis
Both Sofia Costoulas and Tatiana Prozorova are 💥 Big Hitter types. Mirror matchups usually come down to execution, fitness, and surface fit, across 5,190 matches in our dataset the historical split is about even.
Previous meetings
1 career meeting, newest first
Jan 29, 2026
Philippine Women's Open - Manila
H Hard · Quarterfinals
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Costoulas | Prozorova | ||
|---|---|---|---|---|
| Outcome | Sofia Costoulas | Tatiana Prozorova | ||
| 1 or more | 86% | 12/14 | 100% | 7/7 |
| 3 or more | 36% | 5/14 | 29% | 2/7 |
| 5 or more | 7% | 1/14 | 0% | 0/7 |
| 10 or more | 0% | 0/14 | 0% | 0/7 |
| 15 or more | 0% | 0/14 | 0% | 0/7 |
| 20 or more | 0% | 0/14 | 0% | 0/7 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Costoulas | Prozorova |
|---|---|---|
| W-L | 7–9 | 5–5 |
| Avg odds | 1.73 | 1.73 |
| ROI % | -42.0% | -31.4% |
| Units P/L | -6.73u | -3.14u |
Travel
Last 30 days
| Metric | Costoulas | Prozorova |
|---|---|---|
| Countries | 3 | 1 |
| Events | 3 | 1 |
| Matches | 5 | 1 |
| Distance | — | 0 mi · 0 km |
| Route | NED → ITA → CZE | NED |
Host country from the tournament each match was played in, over the last 30 days. 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
Prozorova has a higher win rate against shared opponents (88% vs Costoulas's 50%).
| Opponent | Costoulas | Prozorova |
|---|---|---|
| Zhuoxuan Bai | L 61 16 36 | W 63 61 |
| Kristiana Sidorova | W 61 62 | W 64 61 |
| Matilde Jorge | L 67 06 | W 63 62 |
| Gabriela Andrea Knutson | L 26 46 | W 62 26 61 |
| Noma Noha Akugue | W 76 63 | L 57 67 |
| Leolia Jeanjean | W 46 76 61 | W 62 16 61 |
| Hanne Vandewinkel | L 36 62 36 | W 63 63 |
| Viktoria Morvayova | W 67 76 64 | W 61 75 |
Recent Form
Last five matches per player
Hina Inoue
W50 Guiyang · 1st Round
Sep 8
Zhuoxuan Bai
W75 Tianjin · Quarterfinals
Sep 4
Kristiana Sidorova
W75 Tianjin · 2nd Round
Sep 3
Unknown Player
W75 Tianjin · 1st Round
Sep 2
Elvina Kalieva
U.S. Open - New York · 2nd Round Qualifying
Aug 27
Jennifer Ruggeri
U.S. Open - New York · 1st Round Qualifying
Aug 26
Matilde Jorge
W35 Vigo · Quarterfinals
Aug 14
Sofia Camila Rojas
W35 Vigo · 2nd Round
Aug 13
Kristina Liutova
U.S. Open - New York · 1st Round Qualifying
Aug 25
Anastasia Zakharova
W100 Landisville · 1st Round
Aug 4
Peyton Stearns
The Memphis Classic - Memphis · 2nd Round
Jul 30
Solana Sierra
The Memphis Classic - Memphis · 1st Round
Jul 28
Kennedy Drenser Hagmann
The Memphis Classic - Memphis · 3rd Round Qualifying
Jul 26
Anastasia Zakharova
Enka Open - Istanbul · Quarterfinals
Jul 17
Daria Khomutsianskaya
Enka Open - Istanbul · 2nd Round
Jul 16
Zhuoxuan Bai
Enka Open - Istanbul · 1st Round
Jul 13
Win rate
Matches, sets and games won · Last 12 months · 48–69 matches
| Metric | Costoulas | Prozorova |
|---|---|---|
| Matches won | 58% | 63% |
| Sets won | 56% | 62% |
| Games won | 53% | 55% |
Record by tier
Head-to-head record by tournament tier
| Stage | Costoulas | Prozorova |
|---|---|---|
| WTA 125 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Costoulas | Prozorova |
|---|---|---|
| Hard | 0 | 1 |