Kristiana Sidorova vs Sofia CostoulasPrediction, Head-to-Head Results, and Stats
Kristiana Sidorova and Sofia Costoulas have met 1 time since 2026; Sofia Costoulas leads 1–0. Across all meetings Sidorova has taken 0 sets to Costoulas's 2. Their most recent meeting: Sofia Costoulas won at W75 Tianjin (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Sidorova | Costoulas | ||
|---|---|---|---|---|
| Indicator | Kristiana Sidorova | Sofia Costoulas | ||
| Wins in straight sets | 72% | 23/32 | 69% | 27/39 |
| Wins a set when losing | 33% | 9/27 | 37% | 11/30 |
| Goes to a deciding set | 31% | 18/59 | 33% | 23/69 |
| Covers −1.5 sets as favorite | 57% | 16/28 | 47% | 22/47 |
| Covers +1.5 sets as underdog | 48% | 13/27 | 58% | 11/19 |
| Tiebreak sets won | 45% | 9/20 | 38% | 6/16 |
| Wins after taking set 1 | 87% | 26/30 | 81% | 34/42 |
| Wins 2-0 after taking set 1 | 77% | 23/30 | 64% | 27/42 |
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 (Sidorova 0, Costoulas 1).
Style Matchup
Playing styles and historical archetype record
Sidorova
💥 Big Hitter
Costoulas
💥 Big Hitter
Matchup analysis
Both Kristiana Sidorova and Sofia Costoulas are 💥 Big Hitter types. Mirror matchups usually come down to execution, fitness, and surface fit, across 5,594 matches in our dataset the historical split is about even.
Previous meetings
1 career meeting, newest first
Sep 3, 2026
W75 Tianjin
H Hard · 2nd Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Sidorova | Costoulas | ||
|---|---|---|---|---|
| Outcome | Kristiana Sidorova | Sofia Costoulas | ||
| 1 or more | 89% | 16/18 | 94% | 16/17 |
| 3 or more | 83% | 15/18 | 41% | 7/17 |
| 5 or more | 44% | 8/18 | 12% | 2/17 |
| 10 or more | 0% | 0/18 | 0% | 0/17 |
| 15 or more | 0% | 0/18 | 0% | 0/17 |
| 20 or more | 0% | 0/18 | 0% | 0/17 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Sidorova | Costoulas |
|---|---|---|
| W-L | 11–6 | 8–10 |
| Avg odds | 1.99 | 1.49 |
| ROI % | +20.9% | -42.0% |
| Units P/L | +3.56u | -7.56u |
Travel
Last 30 days
| Metric | Sidorova | Costoulas |
|---|---|---|
| Countries | 3 | 3 |
| Events | 3 | 3 |
| Matches | 9 | 4 |
| Distance | — | — |
| Route | SUI → CHN → ROU | SGP → CHN → ROU |
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
Costoulas has a higher win rate against shared opponents (50% vs Sidorova's 40%).
| Opponent | Sidorova | Costoulas |
|---|---|---|
| Darya Astakhova | L 16 06 | L |
| Sofya Lansere | W 75 46 75 | L 36 46 |
| Tatiana Prozorova | L 46 16 | L 75 67 26 |
| Unknown Player | W 75 76 | W 76 63 |
| Ye Xin Ma | L 46 64 67 | W 75 63 |
| Kyoka Okamura | W 63 62 | L 46 67 |
| Hanyu Guo | W 64 33 | L 36 46 |
| Mai Hontama | L 16 67 | W 64 63 |
| Hayu Kinoshita | L 46 26 | W 64 26 75 |
| Haruka Kaji | L 75 67 57 | W 61 60 |
Recent Form
Last five matches per player
Katarina Zavatska
Suzhou WTA 125 - Suzhou · 1st Round Qualifying
Oct 4
Aliona Falei
Jingshan Tennis Open - Jingshan · 2nd Round
Oct 1
Daria Egorova
Jingshan Tennis Open - Jingshan · 1st Round
Sep 29
Meiqi Guo
Jingshan Tennis Open - Jingshan · 3rd Round Qualifying
Sep 27
Aruzhan Sagandikova
Jingshan Tennis Open - Jingshan · 1st Round Qualifying
Sep 26
Sijia Wei
W35 Shenyang · Final
Sep 20
Unknown Player
W35 Shenyang · Semifinals
Sep 19
Yufei Ren
W35 Shenyang · Quarterfinals
Sep 18
Darya Astakhova
Suzhou WTA 125 - Suzhou · 1st Round
Oct 5
Sofya Lansere
Jingshan Tennis Open - Jingshan · 2nd Round
Oct 1
Kristina Mladenovic
Jingshan Tennis Open - Jingshan · 1st Round
Sep 29
Tatiana Prozorova
Singapore Tennis Open - Singapore · 1st Round
Sep 22
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
Win rate
Matches, sets and games won · Last 12 months · 60–69 matches
| Metric | Sidorova | Costoulas |
|---|---|---|
| Matches won | 55% | 57% |
| Sets won | 54% | 55% |
| Games won | 52% | 53% |
Record by tier
Head-to-head record by tournament tier
| Stage | Sidorova | Costoulas |
|---|---|---|
| ITF W75 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Sidorova | Costoulas |
|---|---|---|
| Hard | 0 | 1 |
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