H2H data updated: 2026-07-14 14:15 UTC
G. Mayer vs M. Ostoja H2H: 1-0
G. Mayer holds a 1–0 lead over M. Ostoja in their ATP head-to-head. Across 1 main-draw meeting, G. Mayer leads 1–0 on hard courts. Most recently, G. Mayer won the 1984 US Open first round 7-5 6-3 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.
USA
Age 70
Right-Handed
183 cm / 6'0"
H2H
1
–
0
1 main draw meetings
CRO
Age 65
Right-Handed
175 cm / 5'9"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Aug 30, 1984* | US Open | Grand Slam | R128 | Hard | G. Mayer | 7-5 6-3 6-1 | M. Ostoja | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
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 | G. Mayer | M. Ostoja | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | 1973 | 0–1 | 0.0% | — | 1,492 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | — | — | — | — | — | — | — | 1979 | 0–1 | 0.0% | #377 | 1,498 | 0 | 0 |
| 19 | 1975 | 6–10 | 37.5% | #144 | 1,540 | 0 | 0 | 1980 | 4–7 | 36.4% | #203 | 1,506 | 0 | 0 |
| 20 | 1976 | 17–16 | 51.5% | #48 | 1,700 | 0 | 0 | 1981 | 14–20 | 41.2% | #203 | 1,591 | 0 | 1 |
| 21 | 1977 | 17–27 | 38.6% | #142 | 1,685 | 0 | 0 | 1982 | 14–21 | 40.0% | #172 | 1,583 | 0 | 1 |
| 22 | 1978 | 25–18 | 58.1% | #64 | 1,733 | 0 | 1 | 1983 | 7–9 | 43.8% | #95 | 1,586 | 0 | 1 |
| 23 | 1979 | 54–25 | 68.4% | #12 | 1,979 | 0 | 2 | 1984 | 13–21 | 38.2% | #125 | 1,613 | 0 | 1 |
| 24 | 1980 | 71–16 | 81.6% | #5 | 2,139 | 0 | 7 | 1985 | 7–18 | 28.0% | #166 | 1,546 | 0 | 1 |
| 25 | 1981 | 37–8 | 82.2% | #7 | 2,072 | 0 | 11 | 1986 | 10–18 | 35.7% | #136 | 1,544 | 0 | 1 |
| 26 | 1982 | 33–11 | 75.0% | #7 | 2,069 | 0 | 12 | 1987 | 0–5 | 0.0% | #467 | 1,482 | 0 | 1 |
| 27 | 1983 | 25–10 | 71.4% | #10 | 1,964 | 0 | 14 | 1988 | 3–5 | 37.5% | #199 | 1,512 | 0 | 1 |
| 28 | 1984 | 24–15 | 61.5% | #18 | 1,873 | 0 | 14 | 1989 | 5–10 | 33.3% | #224 | 1,511 | 0 | 1 |
| 29 | 1985 | 2–1 | 66.7% | #368 | 1,863 | 0 | 14 | 1990 | 0–1 | 0.0% | #624 | 1,494 | 0 | 1 |
| 30 | 1986 | 0–1 | 0.0% | #870 | 1,841 | 0 | 14 | — | — | — | — | — | — | — |