Oeiras 4 (Portugal) - Qualification1/16-finals20 Apr 2026 · 14:25
S. Costoulas
#151 · Belgium
VS
A. Koevermans
#159 · Netherlands

Odds

Market
Costoulas
Koevermans
Winner
Total
line 21.5
1.91
Over 21.5
1.8
Under 21.5
Handicap
games
1.83
+3.5 games
1.83
-3.5 games

Player analysis

S. Costoulas has been inconsistent recently, going 3–2 over the last five matches. Form is mixed — DS ranging from -13.5 to 10.9, with at least one match where S. Costoulas was clearly outplayed. The serve has been a concern — averaging only 5.5/10, leaving S. Costoulas vulnerable on second serve and facing frequent return pressure. Good performance in key moments — break point efficiency of +13 over the last five.

DS 1.41Trend mixed

A. Koevermans has been inconsistent recently, going 3–2 over the last five matches. Form is mixed — DS ranging from -8.1 to 17.2, with at least one match where A. Koevermans was clearly outplayed. The serve has been a concern — averaging only 5.4/10, leaving A. Koevermans vulnerable on second serve and facing frequent return pressure.

DS 0.65Trend up

Recent form

Avg stats — last 5

1st serve %60%
1st serve won70%
2nd serve won40%
BP converted60%
BP saved60%
Aces3
Double faults5
1st serve %60%
1st serve won70%
2nd serve won40%
BP converted60%
BP saved40%
Aces2
Double faults4

Head to head

Career meetings between these two players (all tournaments), not only this event. The match at the top of the page is the current tournament fixture.

01
Clay 01
S. Costoulas vs A. Koevermans head to head match history
DateTournamentSurfaceRoundWinnerScore
Montreux Challenger WomenClayFinalKoevermans6-1 6-3