Oeiras 4 (Portugal) - Qualification21 Apr 2026 · 11:00
S. Costoulas
#134 · Belgium
VS
A. Koevermans
#159 · Netherlands

Odds

Market
Costoulas
Koevermans
Change
Winner

Player analysis

S. Costoulas comes into this match in difficult form — 2 wins from the last 5. Point margins have been modest — DS averaging +5.7. Wins have been functional rather than dominant. The serve has been a concern — averaging only 5.8/10, leaving S. Costoulas vulnerable on second serve and facing frequent return pressure. Break point efficiency is a red flag — S. Costoulas has been losing the important points, with a BP efficiency of -11 over recent matches.

DS 5.72Trend down

A. Koevermans shows a 4–1 form record, though the level of opposition has been mixed — average ranking of opponents is 347. Point margins have been modest — DS averaging +5.0. Wins have been functional rather than dominant. The serve has been a concern — averaging only 5.2/10, leaving A. Koevermans vulnerable on second serve and facing frequent return pressure.

DS 5Trend mixed

Recent form

Avg stats — last 5

1st serve %60%
1st serve won70%
2nd serve won40%
BP converted40%
BP saved50%
Aces1
Double faults3
1st serve %60%
1st serve won60%
2nd serve won40%
BP converted70%
BP saved30%
Aces2
Double faults5