H2H data updated: 2026-09-01 00:00 UTC

Mark Keil vs Nick Brown H2H: 0-1

Nick Brown holds a 1–0 lead over Mark Keil in their ATP head-to-head. Across 1 main-draw meeting, Nick Brown leads 1–0 on grass. Most recently, Nick Brown won the 1991 Wimbledon round of 128 6-4 7-5 6-1.

USA Age 59 Right-Handed 185 cm / 6'1"
H2H
0 1
1 main draw meetings
GBR Age 64 Right-Handed 190 cm / 6'3"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Nick Brown #591 6-4 7-5 6-1 Mark Keil #174 Match data Jun 26, 1991* R128 Wimbledon Grand Slam Grass

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
Mark Keil #1,308 #167 195 1,545 4 8 33.3% 0 0 0 0 0 0
Nick Brown #1,082 #145 166 1,564 11 15 42.3% 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 Mark Keil Nick Brown
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 1980 1–1 50.0% 1,496 0 0
19 1981 0–1 0.0% 1,483 0 0
20 1982 0–1 0.0% 1,475 0 0
21 1988 0–1 0.0% #885 1,495 0 0
24 1991 3–3 50.0% #200 1,517 0 0
25 1992 0–1 0.0% #742 1,510 0 0
26 1993 1–2 33.3% #537 1,490 0 0
27 1994 0–1 0.0% #878 1,488 0 0 1989 4–4 50.0% #159 1,508 0 0
28 1990 4–5 44.4% #214 1,520 0 0
29 1991 2–3 40.0% #286 1,549 0 0

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 Mark Keil Nick Brown
Yr HardGrassCarpet Yr HardGrassCarpet
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
18 1980 1 1 2 50.0%
19 1981 0 1 1 0.0%
20 1982 0 1 1 0.0%
21 1988 0 1 1 0.0%
24 1991 2 2 4 50.0% 1 1 2 50.0%
25 1992 0 1 1 0.0%
26 1993 1 1 2 50.0% 0 1 1 0.0%
27 1994 0 1 1 0.0% 1989 0 1 1 0.0% 4 2 6 66.7% 0 1 1 0.0%
28 1990 0 2 2 0.0% 3 2 5 60.0% 1 1 2 50.0%
29 1991 0 2 2 0.0% 2 1 3 66.7%
Career 1 4 5 20.0% 2 3 5 40.0% 1 1 2 50.0% 0 5 5 0.0% 10 8 18 55.6% 1 2 3 33.3%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics are precomputed from eligible main-draw results; point-stat values use the available detailed sample. 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 Mark Keil Nick Brown
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
18 1980 1496 97.1 0.0% -5.00 -0.08
19 1981 1483 100.5 0.0% -1.50 0–1 +0.12
20 1982 1475 103.3 0.0% -2.33 0–1 -0.13
21 1988 1495 105.0 0.0% -3.00 -0.21
24 1991 1517 101.3 -0.67 +1.80 0.983 49.6% +60 43.8% -0.75 2–1 (67%) 4–0 (100%) -0.08
25 1992 1510 104.3 -1.82 +3.30 0.833 46.9% 0.0% -1.50 0–1 -0.12
26 1993 1490 100.1 -2.99 -0.92 0.858 47.2% 41.7% -0.92 2–1 (67%) +0.61
27 1994 1488 104.9 +2.99 +2.01 0.398 34.4% 0.0% -4.50 -0.20 1989 1509 108.0 +58 45.0% -0.15 2–3 (40%) 0–1 +0.48
28 1990 1521 101.2 -37 +75 37.5% -0.37 3–0 (100%) 1–3 (25%) +0.84
29 1991 1550 107.3 -0.78 -0.04 0.950 49.4% +84 50.0% +0.25 0–1 1–1 +0.33
Career 1546 105.6 -1.12 +1.16 0.855 47.1% +60 35.3% -1.21 2–1 (67%) 6–2 (75%) 104.6 0.00 1565 106.3 -0.78 -0.04 0.950 49.4% -37 +70 38.8% -0.42 5–4 (56%) 2–7 (22%) 98.6 +6.24

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.