H2H data updated: 2026-07-18 14:16 UTC
Brian Teacher vs John Marks H2H: 1-0
Brian Teacher holds a 1–0 lead over John Marks in their ATP head-to-head. Across 1 main-draw meeting, Brian Teacher leads 1–0 on grass. Most recently, Brian Teacher won the 1977 Sydney Outdoor third round 6-2 3-6 6-3.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
USA
Age 71
Right-Handed
190 cm / 6'3"
H2H
1
–
0
1 main draw meetings
AUS
Age 73
Right-Handed
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Dec 15, 1977* | Sydney Outdoor | ATP 250 | R32 | Grass | Brian Teacher | 6-2 3-6 6-3 | John Marks | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brian Teacher | #938 | #7 | 0 | 2,043 | 338 | 237 | 58.8% | 1 | 0 | 0 | 0 | 7 | 8 |
| John Marks | #223 | #60 | 0 | 1,631 | 30 | 81 | 27.0% | 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 | Brian Teacher | John Marks | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | 1971 | 0–1 | 0.0% | — | 1,498 | 0 | 0 | — | — | — | — | — | — | — |
| 17 | — | — | — | — | — | — | — | 1970 | 1–1 | 50.0% | — | 1,502 | 0 | 0 |
| 18 | 1973 | 6–6 | 50.0% | #158 | 1,543 | 0 | 0 | 1971 | 1–2 | 33.3% | — | 1,485 | 0 | 0 |
| 19 | 1974 | 9–7 | 56.2% | #121 | 1,642 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 1975 | 5–9 | 35.7% | #109 | 1,602 | 0 | 0 | 1973 | 0–1 | 0.0% | — | 1,467 | 0 | 0 |
| 21 | 1976 | 11–12 | 47.8% | #81 | 1,625 | 0 | 0 | 1974 | 1–3 | 25.0% | — | 1,446 | 0 | 0 |
| 22 | 1977 | 31–31 | 50.0% | #54 | 1,774 | 0 | 1 | 1975 | 5–1 | 83.3% | #330 | 1,563 | 0 | 0 |
| 23 | 1978 | 38–23 | 62.3% | #31 | 1,925 | 0 | 2 | 1976 | 3–15 | 16.7% | #165 | 1,442 | 0 | 0 |
| 24 | 1979 | 19–18 | 51.4% | #59 | 1,806 | 0 | 3 | 1977 | 4–13 | 23.5% | #183 | 1,434 | 0 | 0 |
| 25 | 1980 | 63–26 | 70.8% | #20 | 2,039 | 1 | 4 | 1978 | 9–16 | 36.0% | #63 | 1,628 | 0 | 0 |
| 26 | 1981 | 33–16 | 67.3% | #9 | 1,987 | 1 | 5 | 1979 | 4–26 | 13.3% | #115 | 1,456 | 0 | 0 |
| 27 | 1982 | 42–20 | 67.7% | #19 | 1,935 | 1 | 6 | 1980 | 2–3 | 40.0% | #223 | 1,459 | 0 | 0 |
| 28 | 1983 | 33–21 | 61.1% | #29 | 1,822 | 1 | 8 | — | — | — | — | — | — | — |
| 29 | 1984 | 23–18 | 56.1% | #53 | 1,765 | 1 | 8 | — | — | — | — | — | — | — |
| 30 | 1985 | 17–16 | 51.5% | #66 | 1,708 | 1 | 8 | — | — | — | — | — | — | — |
| 31 | 1986 | 8–13 | 38.1% | #104 | 1,618 | 1 | 8 | — | — | — | — | — | — | — |