H2H data updated: 2026-07-18 17:48 UTC
Sandy Collins vs Roberta Mccallum H2H: 1-0
Sandy Collins holds a 1–0 lead over Roberta Mccallum in their WTA head-to-head. Across 1 main-draw meeting, Sandy Collins leads 1–0 on carpet. Most recently, Sandy Collins won the 1980 Dallas third round 5-7 6-3 6-0.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Mar 6, 1980* | Dallas | WTA 250 | R32 | Carpet | Sandy Collins | 5-7 6-3 6-0 | Roberta Mccallum | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sandy Collins | — | — | — | 1,823 | 89 | 151 | 37.1% | 0 | 0 | 0 | 0 | 0 | 0 |
| Roberta Mccallum | — | — | — | 1,659 | 24 | 43 | 35.8% | 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 | Sandy Collins | Roberta Mccallum | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 14 | 1973 | 1–1 | 50.0% | — | 1,497 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 1978 | 6–6 | 50.0% | — | 1,537 | 0 | 0 | 1978 | 0–1 | 0.0% | — | 1,484 | 0 | 0 |
| 20 | 1979 | 2–7 | 22.2% | — | 1,495 | 0 | 0 | 1979 | 6–5 | 54.5% | — | 1,572 | 0 | 0 |
| 21 | 1980 | 10–12 | 45.5% | — | 1,626 | 0 | 0 | 1980 | 14–27 | 34.1% | — | 1,579 | 0 | 0 |
| 22 | 1981 | 25–20 | 55.6% | — | 1,786 | 0 | 0 | 1981 | 4–9 | 30.8% | — | 1,568 | 0 | 0 |
| 23 | 1982 | 14–21 | 40.0% | — | 1,756 | 0 | 0 | 1982 | 0–1 | 0.0% | — | 1,549 | 0 | 0 |
| 24 | 1983 | 13–20 | 39.4% | — | 1,690 | 0 | 0 | — | — | — | — | — | — | — |
| 25 | 1984 | 9–18 | 33.3% | — | 1,602 | 0 | 0 | — | — | — | — | — | — | — |
| 26 | 1985 | 1–9 | 10.0% | — | 1,509 | 0 | 0 | — | — | — | — | — | — | — |
| 27 | 1986 | 0–1 | 0.0% | — | 1,501 | 0 | 0 | — | — | — | — | — | — | — |
| 28 | 1987 | 0–4 | 0.0% | — | 1,454 | 0 | 0 | — | — | — | — | — | — | — |
| 29 | 1988 | 3–5 | 37.5% | — | 1,492 | 0 | 0 | — | — | — | — | — | — | — |
| 30 | 1989 | 2–8 | 20.0% | — | 1,474 | 0 | 0 | — | — | — | — | — | — | — |
| 31 | 1990 | 1–9 | 10.0% | — | 1,422 | 0 | 0 | — | — | — | — | — | — | — |
| 32 | 1991 | 1–5 | 16.7% | — | 1,407 | 0 | 0 | — | — | — | — | — | — | — |
| 33 | 1992 | 1–2 | 33.3% | — | 1,414 | 0 | 0 | — | — | — | — | — | — | — |
| 34 | 1993 | 0–1 | 0.0% | — | 1,408 | 0 | 0 | — | — | — | — | — | — | — |
| 35 | 1994 | 0–2 | 0.0% | — | 1,394 | 0 | 0 | — | — | — | — | — | — | — |