H2H data updated: 2026-07-18 17:48 UTC

Jan Siemerink vs Mark Koevermans H2H: 2-0

Jan Siemerink holds a 2–0 lead over Mark Koevermans in their ATP head-to-head. Across 2 main-draw meetings, Jan Siemerink leads 1–0 on carpet and 1–0 on hard courts. Most recently, Jan Siemerink won the 1991 Rotterdam third round 3-6 6-4 6-2.

NED Age 56 Left-Handed 183 cm / 6'0"
H2H
2 0
2 main draw meetings
NED Age 58 Right-Handed 185 cm / 6'1"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Feb 28, 1991* Rotterdam ATP 250 R32 Carpet Jan Siemerink #53 3-6 6-4 6-2 Mark Koevermans #43 Match data
Jan 20, 1991* Australian Open Grand Slam R32 Hard Jan Siemerink #132 4-6 6-2 6-4 3-6 6-1 Mark Koevermans #51 Match data

* Estimated match date where the exact historical date is unavailable.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 Finals 500 250 Titles
Jan Siemerink #987 #14 1,863 1,908 261 260 50.1% 0 0 0 0 4 4
Mark Koevermans #753 #37 712 1,777 64 80 44.4% 0 0 0 0 1 1

Career Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.

Age Jan Siemerink Mark Koevermans
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
20 1990 5–4 55.6% #135 1,541 0 0 1988 0–1 0.0% #139 1,493 0 0
21 1991 30–21 58.8% #26 1,756 0 1 1989 12–11 52.2% #63 1,634 0 0
22 1992 22–26 45.8% #57 1,747 0 1 1990 26–19 57.8% #48 1,753 0 1
23 1993 24–25 49.0% #53 1,670 0 1 1991 16–25 39.0% #71 1,596 0 1
24 1994 16–19 45.7% #81 1,685 0 1 1992 10–19 34.5% #139 1,515 0 1
25 1995 37–29 56.1% #21 1,784 0 1 1993 0–5 0.0% #412 1,461 0 1
26 1996 35–27 56.5% #15 1,866 0 2
27 1997 18–27 40.0% #78 1,738 0 2
28 1998 38–24 61.3% #19 1,809 0 4
29 1999 17–25 40.5% #88 1,665 0 4
30 2000 7–14 33.3% #104 1,576 0 4
31 2001 12–17 41.4% #127 1,564 0 4
32 2002 0–2 0.0% #438 1,532 0 4