Sofia Costoulas vs Georgia Kalamaris Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
S. Costoulas vs G. Kalamaris
Sofia Costoulas
BEL
w
l
w
w
w
l
w
w
l
l
1
Win
1
Played
0
Win
20
Age
19
-
Height
-
150
C. Rank
0
149
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$43.0K
Career Money
$0
-
Plays
-
Georgia Kalamaris
FRA
w
w
l
l
w
l
l
l
l
l
1
Win
1
Played
0
Win
20
Age
19
-
Height
-
150
C. Rank
0
149
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$43.0K
Career Money
$0
-
Plays
-
Head-to-head: Costoulas 1 - 0 Kalamaris
They have played 2 sets in total, with Sofia Costoulas winning 2 and Georgia Kalamaris winning 0. The last match between Sofia Costoulas and Georgia Kalamaris was at the W75 Le Neubourg, 10-09-2025, Round: R1, Surface: Hard, with Sofia Costoulas getting the victory 6-2 6-1.
| Players | Head To Head Match Wins |
|---|---|
| Costoulas | 1 |
| Kalamaris | 0 |
Last 1 H2H Matches:
(R1) W75 Le Neubourg(09-10-25)
Sofia Costoulas
6
6
Georgia Kalamaris
2
1
S. Costoulas vs G. Kalamaris H2H Profile
| Stats | ||
|---|---|---|
| $43,000 | Career Prize Money | $0 |
| 60.76% (175-113) | Career Total W/L | 22.99% (40-134) |
| 1 | Hard | 0 |
| 4 | Titles | 0 |
| 1 | Total H2H Matches | 0 |
| 50.00% (1-1) | YTD Win/Loss | 0% (0-0) |
S. Costoulas vs G. Kalamaris Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Sofia Costoulas has won 40.62% of points on their second serve, while Georgia Kalamaris has won 35.51%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Sofia Costoulas, in recent form, has won 49.43% of their opponent's second serve points, while Georgia Kalamaris has won 48.59%. The same stats for first serve returns are 30.98% and 29.89% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Sofia Costoulas has saved 49.16% of breakpoints in recent form, whereas Georgia Kalamaris has saved 37.02% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Sofia Costoulas has won 67.06% of matches played (W/L 57/28), with Georgia Kalamaris winning 28.26% (W/L 13/33) that gives us an overall head-to head prediction overview.
- Best surface: Sofia Costoulas has their best career surface win % on Hard, winning 65% (W/L 93/50), and worse career win % on Grass, winning 0% (W/L 0/1). Georgia Kalamaris has their best career surface win % on I.hard, winning 65% (W/L 6/17), and worse career win % on Clay, winning 20% (W/L 5/20).
- Player level: In the last year, Sofia Costoulas has played most of their matches on the Challengers/ITF tournaments > $10K, winning 69.62% of matches (W/L 55/24), where as Georgia Kalamaris has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 35.71% of matches (W/L 10/18). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
- Direct H2H matches: They have played 1 times before with Sofia Costoulas winning 1 times and Georgia Kalamaris being victorious 0 times. They have played 2 sets in total, with Sofia Costoulas winning 2 and Georgia Kalamaris winning 0.
- The last match between Sofia Costoulas and Georgia Kalamaris was at the W75 Le Neubourg, 10-09-2025, Round: R1, Surface: Hard, with Sofia Costoulas getting the victory 6-2 6-1.
- Head to head match duration: In past head to head matches, the average match time between these players has been 0:53:36.
- Opponent quality stats: Over the last 12 months, Sofia Costoulas has played against opponents with an average rank of 339.59 while Georgia Kalamaris has played against players with an average rank of 250.46.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Sofia Costoulas has won 70% of deciding sets over the last 12 months, while Georgia Kalamaris has won 67% in all matches played on tour.
- Break point conversion: In recent form, Sofia Costoulas has converted 39.82% of breakpoint opportunities, and Georgia Kalamaris has converted 34.78% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Sofia Costoulas vs Georgia Kalamaris Editorial Preview By TennisTipster88.
S. Costoulas vs G. Kalamaris H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 0 |
| 2 | Sets Won | 0 |
| 12 | Games Won | 3 |
| 3 | Aces (Total) | 0 |
| 0 | Total Double Faults | 2 |
| 0:53:36 | Average Match Time | 0:53:36 |
| 65% (22/34) | 1st Serve % | 75% (33/44) |
| 82% (18/22) | 1st Serve Win % | 48% (16/33) |
| 83% (10/12) | 2nd Serve Win % | 36% (4/11) |
| 71% (5/7) | Break Pts Won % | 0% (0/0) |
| 55% (24/44) | Return Points Win % | 18% (6/34) |
| 100% (1/1) | Best‑of‑3 Win % | 0% (0/1) |
| 100% (1/1) | 1st Set Won, Won Match | 0% (0/0) |
| 0% (0/1) | 1st Set Won, Lost Match | 0% (0/0) |
| 0% (0/0) | 1st Set Lost, Won Match | 0% (0/1) |
Recent Performance Stats
2nd Serve Win %: Costoulas 48%, Kalamaris 33%.
Opp 2nd Serve Pts Won: Costoulas 57%, Kalamaris 49%.
Break Points Saved %: Costoulas 59%, Kalamaris 38%.
S. Costoulas Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
 Billie Jean King Cup, PO, Group F - 10-11-2025 | ||||
Rubber 1  Ayla AksuA. Aksu | L | 6-3 6-1 | ||
| W75 Glasgow - 27-10-2025 | ||||
QF  Kajsa Rinaldo PerssonK. Rinaldo | L | 7-5 4-6 7-6(5) | ||
R2  Julia AvdeevaJ. Avdeeva | W | 6-1 6-4 | ||
R1  Matilde JorgeM. Jorge | W | 6-2 4-6 6-2 | ||
| Torneo Internazionale - Rovereto - 20-10-2025 | ||||
SF  Lucrezia StefaniniL. Stefanini | L | 6-3 7-5 | ||
G. Kalamaris Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| W75 Petange - 17-11-2025 | ||||
Q1 Romane LonguevilleR. Longueville | L | 6-1 6-0 | ||
| W35 Villeneuve d'Ascq - 27-10-2025 | ||||
Q1  Marie WeckerleM. Weckerle | L | 6-0 6-1 | ||
| W75 Poitiers - 20-10-2025 | ||||
Q1  Emma Van PoppelE. Van | L | 6-2 6-1 | ||
| W50 Cherbourg-en-Cotentin - 13-10-2025 | ||||
Q1 Jana OtzipkaJ. Otzipka | L | 6-1 6-0 | ||
| W35 Reims - 29-09-2025 | ||||
Q2 Klara VeldmanK. Veldman | L | 6-1 6-0 | ||
S. Costoulas vs G. Kalamaris Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 60.76% (175/113) | YTD Win/Loss | 22.99% (40/134) |
| 58.86% (392/274) | Sets Win/Loss | 26.06% (98/278) |
| 54.02% (3262/2776) | Games Win/Loss | 37.53% (1232/2051) |
| 65.03% (93/50) | Hard Win/Loss | 22.69% (27/92) |
| 53.85% (49/42) | Clay Win/Loss | 20.00% (5/20) |
| 62.26% (33/20) | Indoor Hard W/L | 26.67% (8/22) |
| 0.00% (0/1) | Grass Win/Loss | 0% (0/0) |
| 0.26 | Aces Per Game | 0.03 |
| 769 | Aces Total | 54 |
| 0.2 | Double Faults Per Game | 0.27 |
| 587 | Total Double Faults | 437 |
| 1:48:9 | Average Match Time | 1st Match |
| 445.77 | Average Opponent Rank | 261.24 |
| 61% (11654/19073) | 1st Serve % | 62% (2329/3777) |
| 64% (7460/11654) | 1st Serve Win % | 52% (1218/2329) |
| 47% (3520/7419) | 2nd Serve Win % | 32% (463/1448) |
| 48% (1180/2446) | Break Points Won % (Total) | 42% (138/328) |
| 46% (8922/19481) | Return Points Win % | 38% (1402/3676) |
| 25.00% (1/3) | Slam W/L | 0% (0/0) |
| 50.00% (2/2) | Cups W/L | 0% (0/0) |
| 61.22% (150/95) | Challenger W/L | 21.25% (17/63) |
| 62.86% (22/13) | Futures W/L | 24.47% (23/71) |
| 61% (175/285) | Best of 3 Sets Win % | 24% (40/170) |
| 57% (30/53) | Tiebreaks Win % (Total) | 25% (4/16) |
| 55% (51/93) | Deciding Set Win % | 47% (15/32) |
| 86% (169/146) | 1st Set Won, Won Match | 82% (39/32) |
| 13% (169/22) | 1st Set Won, Lost Match | 18% (39/7) |
| 24% (119/29) | 1st Set Lost, Won Match | 7% (135/9) |
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