Mark Keil
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Andre Agassi | 0 | 1 | 1 | Feb 24, 1994 | H2H |
| Mark Petchey | 0 | 1 | 1 | Jun 23, 1993 | H2H |
| Richard Fromberg | 0 | 1 | 1 | Jan 22, 1993 | H2H |
| Nicolas Pereira | 1 | 0 | 1 | Jan 20, 1993 | H2H |
| Marc Rosset | 0 | 1 | 1 | Feb 27, 1992 | H2H |
H2H data updated: 2026-09-01 00:00 UTC
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.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Nick Brown | 6-4 7-5 6-1 | Mark Keil | 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.
| 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 |
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 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 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 |
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 | Hard | Grass | Carpet | Yr | Hard | Grass | Carpet | |||||||||||||||||||
| 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% |
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 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Andre Agassi | 0 | 1 | 1 | Feb 24, 1994 | H2H |
| Mark Petchey | 0 | 1 | 1 | Jun 23, 1993 | H2H |
| Richard Fromberg | 0 | 1 | 1 | Jan 22, 1993 | H2H |
| Nicolas Pereira | 1 | 0 | 1 | Jan 20, 1993 | H2H |
| Marc Rosset | 0 | 1 | 1 | Feb 27, 1992 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Thierry Champion | 0 | 1 | 1 | Jun 30, 1991 | H2H |
| Goran Ivanisevic | 1 | 0 | 1 | Jun 28, 1991 | H2H |
| Mark Keil | 1 | 0 | 1 | Jun 26, 1991 | H2H |
| Jan Siemerink | 0 | 1 | 1 | Apr 18, 1991 | H2H |
| Felix Barrientos | 0 | 1 | 1 | Apr 4, 1991 | H2H |