H2H data updated: 2026-09-06 00:00 UTC

Paul Haarhuis vs Lucas Arnold Ker H2H: 1-0

Paul Haarhuis holds a 1–0 lead over Lucas Arnold Ker in their ATP head-to-head. Across 1 main-draw meeting, Paul Haarhuis leads 1–0 on hard courts. Most recently, Paul Haarhuis won the 1998 U.S. Pro Tennis Championships round of 32 6-1 6-3.

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Paul Haarhuis
NED Age 60 Right-Handed 188 cm / 6'2"
H2H
1 – 0
1 main-draw meetings
Lucas Arnold Ker
ARG Age 51 Right-Handed 180 cm / 5'11"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Paul Haarhuis #85 6-1 6-3 Lucas Arnold Ker #94 Match data Aug 27, 1998* R32 U.S. Pro Tennis Championships ATP World Series → modern equivalent ATP 250 Hard

Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
Paul Haarhuis #623 #18 1,341 1,887 251 247 50.4% 0 0 0 0 1 1
Lucas Arnold Ker #1,278 #77 608 1,637 19 30 38.8% 0 0 0 0 0 0

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 Paul Haarhuis Lucas Arnold Ker
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
21 — — — — — — — 1996 3–2 60.0% #123 1,539 0 0
22 1988 0–1 0.0% #462 1,488 0 0 1997 5–6 45.5% #112 1,592 0 0
23 1989 9–7 56.2% #57 1,635 0 0 1998 10–16 38.5% #113 1,589 0 0
24 1990 20–25 44.4% #54 1,670 0 0 1999 1–5 16.7% #380 1,510 0 0
25 1991 25–25 50.0% #37 1,729 0 0 2000 0–1 0.0% #660 1,495 0 0
26 1992 33–29 53.2% #39 1,684 0 0 — — — — — — —
27 1993 30–26 53.6% #42 1,764 0 0 — — — — — — —
28 1994 26–22 54.2% #37 1,715 0 0 — — — — — — —
29 1995 33–24 57.9% #19 1,715 0 1 — — — — — — —
30 1996 30–28 51.7% #25 1,735 0 1 — — — — — — —
31 1997 19–25 43.2% #70 1,674 0 1 — — — — — — —
32 1998 20–20 50.0% #74 1,660 0 1 — — — — — — —
33 1999 6–15 28.6% #178 1,620 0 1 — — — — — — —

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Age Paul Haarhuis Lucas Arnold Ker
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
21 — — — — — — — — — — — — — — — — — 1996 — — — — 3 2 5 60.0% — — — — — — — —
22 1988 — — — — 0 1 1 0.0% — — — — — — — — 1997 0 1 1 0.0% 5 5 10 50.0% — — — — — — — —
23 1989 5 3 8 62.5% 4 3 7 57.1% — — — — 0 1 1 0.0% 1998 3 5 8 37.5% 7 10 17 41.2% 0 1 1 0.0% — — — —
24 1990 3 6 9 33.3% 8 11 19 42.1% 2 2 4 50.0% 7 6 13 53.8% 1999 0 1 1 0.0% 1 4 5 20.0% — — — — — — — —
25 1991 14 11 25 56.0% 6 8 14 42.9% 1 3 4 25.0% 4 3 7 57.1% 2000 — — — — 0 1 1 0.0% — — — — — — — —
26 1992 20 12 32 62.5% 6 8 14 42.9% 1 1 2 50.0% 6 8 14 42.9% — — — — — — — — — — — — — — — — —
27 1993 12 10 22 54.5% 10 7 17 58.8% 0 3 3 0.0% 8 6 14 57.1% — — — — — — — — — — — — — — — — —
28 1994 10 9 19 52.6% 6 6 12 50.0% 0 1 1 0.0% 10 6 16 62.5% — — — — — — — — — — — — — — — — —
29 1995 13 8 21 61.9% 3 7 10 30.0% 6 3 9 66.7% 11 6 17 64.7% — — — — — — — — — — — — — — — — —
30 1996 13 13 26 50.0% 7 6 13 53.8% 7 3 10 70.0% 3 6 9 33.3% — — — — — — — — — — — — — — — — —
31 1997 7 11 18 38.9% 4 6 10 40.0% 5 3 8 62.5% 3 5 8 37.5% — — — — — — — — — — — — — — — — —
32 1998 10 8 18 55.6% 2 3 5 40.0% 4 3 7 57.1% 4 6 10 40.0% — — — — — — — — — — — — — — — — —
33 1999 4 7 11 36.4% 0 4 4 0.0% 2 3 5 40.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
Career — 111 98 209 53.1% 56 70 126 44.4% 28 25 53 52.8% 56 54 110 50.9% — 3 7 10 30.0% 16 22 38 42.1% 0 1 1 0.0% — — — —

Performance Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 380/436 of Paul Haarhuis's and 41/49 of Lucas Arnold Ker's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.

Age Paul Haarhuis Lucas Arnold Ker
Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts% Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts%
21 — —/— — — — — — — — — — 1996 4/5 2.5 6.8 59.4% 71.1% 44.5% 67.3% 61.6% 60.4% 39.0%
22 — —/— — — — — — — — — — 1997 8/11 1.9 4.5 59.3% 65.4% 50.5% 62.8% 54.8% 58.7% 38.7%
23 — —/— — — — — — — — — — 1998 22/26 3.1 4.6 61.8% 64.2% 42.6% 53.7% 50.7% 55.6% 36.7%
24 — —/— — — — — — — — — — 1999 6/6 2.5 6.2 58.9% 62.6% 38.0% 56.1% 53.9% 52.6% 41.2%
25 1991 44/50 3.8 2.3 58.4% 68.3% 52.1% 45.9% 48.3% 61.5% 40.2% 2000 1/1 2.0 0.0 52.7% 58.6% 26.9% 57.1% 33.3% 43.6% 30.8%
26 1992 55/62 4.0 1.9 59.8% 70.2% 51.8% 63.1% 41.7% 62.7% 38.0% — —/— — — — — — — — — —
27 1993 51/56 4.0 2.0 59.5% 69.2% 52.2% 60.9% 43.4% 62.2% 38.2% — —/— — — — — — — — — —
28 1994 43/48 4.2 2.0 59.7% 68.8% 50.0% 64.0% 48.8% 61.1% 37.1% — —/— — — — — — — — — —
29 1995 55/57 4.6 2.6 59.8% 68.3% 50.7% 54.3% 40.4% 61.0% 36.3% — —/— — — — — — — — — —
30 1996 48/58 4.2 1.8 62.5% 68.2% 51.8% 50.8% 44.9% 62.2% 35.8% — —/— — — — — — — — — —
31 1997 37/44 5.3 2.8 59.7% 71.9% 51.2% 59.4% 46.1% 63.5% 37.4% — —/— — — — — — — — — —
32 1998 30/40 5.8 3.2 56.4% 71.4% 50.5% 60.7% 45.0% 62.5% 36.0% — —/— — — — — — — — — —
33 1999 17/21 5.3 2.4 61.5% 68.9% 48.6% 61.8% 29.9% 61.0% 36.2% — —/— — — — — — — — — —
Career — 380/498 4.4 2.3 59.7% 69.4% 51.2% 57.5% 43.9% 62.0% 37.3% — 41/49 2.7 4.9 60.4% 64.7% 43.3% 57.2% 52.6% 55.9% 37.9%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Age Paul Haarhuis Lucas Arnold Ker
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
21 — — — — — — — — — — — — — — — — 1996 1539 115.2 +1.16 +0.15 0.984 50.3% — +31 — 53.8% -0.23 2–1 (67%) 2–0 — +0.19
22 1988 1489 98.3 — — — — — — — 0.0% -4.00 — — — +0.04 1997 1592 124.4 -0.83 +1.13 0.937 49.3% — +45 — 48.0% -0.16 1–2 (33%) 2–2 (50%) 100.3 -0.66
23 1989 1636 132.2 — — — — -19 -43 — 54.3% +0.30 1–2 (33%) 5–2 (71%) 101.8 +0.52 1998 1589 123.2 -3.68 -0.51 0.828 46.4% -16 +20 — 42.3% -0.42 4–4 (50%) 1–3 (25%) 99.0 -0.48
24 1990 1670 140.9 — — — — -4 -37 -64 46.9% -0.14 6–8 (43%) 9–12 (43%) 100.3 -1.33 1999 1510 99.8 -2.02 -0.29 0.870 47.0% — +40 — 29.4% -0.94 1–2 (33%) 1–1 — +0.85
25 1991 1730 144.8 +0.85 +1.66 1.042 50.8% +15 -61 -171 51.1% +0.31 7–6 (54%) 6–5 (55%) 102.5 -2.69 2000 1495 93.6 -0.59 -3.36 0.546 38.3% — — — 0.0% -4.50 — — — +0.10
26 1992 1685 143.9 +1.01 +0.37 1.019 50.2% +33 -24 — 50.3% +0.07 9–8 (53%) 12–15 (44%) 99.9 -0.46 — — — — — — — — — — — — — — — —
27 1993 1764 141.2 +1.06 +0.08 1.010 50.5% -19 +4 -232 53.5% +0.17 8–9 (47%) 11–11 (50%) 102.1 -0.40 — — — — — — — — — — — — — — — —
28 1994 1715 147.9 +0.13 -0.29 0.953 49.4% +46 +62 — 50.8% -0.08 10–4 (71%) 8–9 (47%) 104.6 -1.32 — — — — — — — — — — — — — — — —
29 1995 1716 137.5 -0.59 -0.36 0.931 48.7% +46 -19 -93 50.0% -0.17 18–5 (78%) 11–12 (48%) 106.7 +0.15 — — — — — — — — — — — — — — — —
30 1996 1736 139.0 +0.20 -0.84 0.946 49.0% +10 -47 -15 46.6% -0.19 12–5 (71%) 13–16 (45%) 105.2 +0.88 — — — — — — — — — — — — — — — —
31 1997 1675 138.9 +1.41 -0.41 1.025 50.4% -16 -7 +99 48.7% +0.13 5–13 (28%) 14–12 (54%) 93.4 -0.68 — — — — — — — — — — — — — — — —
32 1998 1660 132.7 +0.38 -1.61 0.960 49.6% +19 -37 +79 48.4% +0.07 8–5 (62%) 6–7 (46%) 103.3 +1.10 — — — — — — — — — — — — — — — —
33 1999 1620 127.7 -0.68 -0.73 0.928 48.6% +35 -73 +103 42.4% -0.44 0–6 (0%) 2–7 (22%) 89.4 -1.04 2008 1490 102.4 — — — — — — — — — — — — —
34 — — — — — — — — — — — — — — — — 2009 1481 98.5 — — — — — — — — — — — — —
Career — 1888 146.0 +0.48 -0.13 0.982 49.8% +17 -22 -15 49.4% 0.00 84–71 (54%) 97–108 (47%) 102.8 -1.05 — 1637 121.3 -2.33 -0.16 0.859 47.3% -16 +31 — 42.2% -0.48 8–9 (47%) 6–6 (50%) 102.2 0.00

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.