H2H data updated: 2026-07-19 14:15 UTC
Zan Guerry vs Allan Stone H2H: 0-1
Allan Stone holds a 1–0 lead over Zan Guerry in their ATP head-to-head. Across 1 main-draw meeting, Allan Stone leads 1–0 on hard courts. Most recently, Allan Stone won the 1977 La Costa second round 6-3 6-4.
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USA
Age 77
Right-Handed
H2H
0
–
1
1 main draw meetings
AUS
Age 80
Right-Handed
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Mar 23, 1977* | La Costa | ATP 250 | R64 | Hard | Allan Stone | 6-3 6-4 | Zan Guerry | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Zan Guerry | #490 | #98 | 0 | 1,599 | 42 | 78 | 35.0% | 0 | 0 | 0 | 0 | 0 | 0 |
| Allan Stone | #199 | #36 | 0 | 1,885 | 247 | 244 | 50.3% | 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 | Zan Guerry | Allan Stone | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 19 | 1968 | 5–7 | 41.7% | — | 1,479 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 1969 | 8–10 | 44.4% | — | 1,528 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 1970 | 1–4 | 20.0% | — | 1,494 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 1971 | 4–6 | 40.0% | — | 1,524 | 0 | 0 | 1968 | 38–25 | 60.3% | — | 1,661 | 0 | 0 |
| 23 | 1972 | 5–7 | 41.7% | — | 1,521 | 0 | 0 | 1969 | 35–20 | 63.6% | — | 1,732 | 0 | 0 |
| 24 | 1973 | 3–5 | 37.5% | #203 | 1,522 | 0 | 0 | 1970 | 15–16 | 48.4% | — | 1,690 | 0 | 0 |
| 25 | 1974 | 1–1 | 50.0% | #228 | 1,542 | 0 | 0 | 1971 | 16–31 | 34.0% | — | 1,637 | 0 | 0 |
| 26 | 1975 | 2–2 | 50.0% | #205 | 1,570 | 0 | 0 | 1972 | 17–30 | 36.2% | — | 1,723 | 0 | 0 |
| 27 | 1976 | 0–6 | 0.0% | #176 | 1,504 | 0 | 0 | 1973 | 34–33 | 50.7% | #60 | 1,676 | 0 | 0 |
| 28 | 1977 | 8–16 | 33.3% | #109 | 1,563 | 0 | 0 | 1974 | 19–19 | 50.0% | #49 | 1,760 | 0 | 0 |
| 29 | 1978 | 2–7 | 22.2% | #279 | 1,522 | 0 | 0 | 1975 | 30–21 | 58.8% | #38 | 1,850 | 0 | 0 |
| 30 | 1979 | 1–3 | 25.0% | #326 | 1,517 | 0 | 0 | 1976 | 12–21 | 36.4% | #103 | 1,739 | 0 | 0 |
| 31 | 1980 | 1–2 | 33.3% | — | 1,501 | 0 | 0 | 1977 | 14–15 | 48.3% | #87 | 1,666 | 0 | 0 |
| 32 | 1981 | 0–1 | 0.0% | #594 | 1,494 | 0 | 0 | 1978 | 13–9 | 59.1% | #67 | 1,796 | 0 | 0 |
| 33 | 1982 | 1–1 | 50.0% | — | 1,515 | 0 | 0 | 1979 | 4–4 | 50.0% | #199 | 1,737 | 0 | 0 |