H2H data updated: 2026-07-14 14:15 UTC
R. Keldie vs Lester Sack H2H: 1-0
R. Keldie holds a 1–0 lead over Lester Sack in their ATP head-to-head. Across 1 main-draw meeting, R. Keldie leads 1–0 on clay. Most recently, R. Keldie won the 1969 Cincinnati second round 6-2 6-3.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jul 16, 1969* | Cincinnati | Masters 1000 | R64 | Clay | R. Keldie | 6-2 6-3 | Lester Sack | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R. Keldie | #190 | #113 | 0 | 1,622 | 64 | 106 | 37.6% | 0 | 0 | 0 | 0 | 0 | 0 |
| Lester Sack | — | — | — | 1,500 | — | — | — | 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.
| R. Keldie | Lester Sack | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 3–9 | 25.0% | — | 1,380 | 0 | 0 | — | — | — | — | — | — | — |
| 1969 | 11–17 | 39.3% | — | 1,469 | 0 | 0 | — | — | — | — | — | — | — |
| 1970 | 11–23 | 32.4% | — | 1,488 | 0 | 0 | — | — | — | — | — | — | — |
| 1971 | 12–20 | 37.5% | — | 1,556 | 0 | 0 | — | — | — | — | — | — | — |
| 1972 | 8–6 | 57.1% | — | 1,574 | 0 | 0 | — | — | — | — | — | — | — |
| 1973 | 9–8 | 52.9% | #190 | 1,587 | 0 | 0 | — | — | — | — | — | — | — |
| 1974 | 9–18 | 33.3% | #136 | 1,496 | 0 | 0 | — | — | — | — | — | — | — |
| 1975 | 1–5 | 16.7% | #218 | 1,479 | 0 | 0 | — | — | — | — | — | — | — |