H2H data updated: 2026-09-11 00:00 UTC

Tony Graham vs Schalk Van Der Merwe H2H: 1-0

Tony Graham holds a 1–0 lead over Schalk Van Der Merwe in their ATP head-to-head. Across 1 main-draw meeting, Tony Graham leads 1–0 on hard courts. Most recently, Tony Graham won the 1981 Johannesburg round of 16 7-6 6-2.

USA Right-Handed
H2H
1 0
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Tony Graham 7-6 6-2 Schalk Van Der Merwe Match data Apr 10, 1981* R16 Johannesburg ATP 250 Hard

Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
Tony Graham #490 #100 0 1,630 19 46 29.2% 0 0 0 0 0 0
Schalk Van Der Merwe 1,561 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 Tony Graham Schalk Van Der Merwe
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
20 1977 0–2 0.0% #300 1,487 0 0
21 1978 2–7 22.2% #244 1,464 0 0
22 1979 4–6 40.0% #177 1,514 0 0
23 1980 4–13 23.5% #169 1,497 0 0
24 1981 9–12 42.9% 1,575 0 0
25 1982 0–6 0.0% #138 1,523 0 0

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Age Tony Graham Schalk Van Der Merwe
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
17 1978 0 1 1 0.0%
19 1980 0 2 2 0.0% 0 1 1 0.0%
20 1977 0 1 1 0.0% 0 1 1 0.0% 1981 0 1 1 0.0%
21 1978 1 3 4 25.0% 0 2 2 0.0% 1 2 3 33.3% 1982 4 3 7 57.1% 1 4 5 20.0% 1 2 3 33.3%
22 1979 2 2 4 50.0% 2 2 4 50.0% 0 2 2 0.0% 1983 2 2 4 50.0%
23 1980 1 7 8 12.5% 1 3 4 25.0% 2 3 5 40.0%
24 1981 8 7 15 53.3% 1 2 3 33.3% 0 3 3 0.0%
25 1982 0 3 3 0.0% 0 2 2 0.0% 0 1 1 0.0% 1986 1 1 2 50.0%
Career 12 22 34 35.3% 4 12 16 25.0% 2 4 6 33.3% 1 8 9 11.1% 7 10 17 41.2% 1 5 6 16.7% 1 2 3 33.3%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Age Tony Graham Schalk Van Der Merwe
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
17 1978 1494 101.0 0.0% -3.50 -0.07
19 1980 1470 98.1 25.0% -2.38 0–2 -0.04
20 1977 1488 99.6 20.0% -2.20 0–1 1–0 -0.19 1981 1456 97.6 0.0% -2.50 0–1 +0.23
21 1978 1465 99.6 +73 30.0% -1.60 0–2 1–1 +0.77 1982 1527 115.7 +44 -41 +24 45.5% -0.14 3–4 (43%) 2–3 (40%) 100.6 +0.70
22 1979 1515 120.1 +30 +3 45.5% -0.64 0–2 1–2 (33%) +0.19 1983 1536 100.0 +40 40.0% -1.40 2–0 1–0 +0.40
23 1980 1498 123.5 +6 +11 +31 34.1% -1.16 0–4 (0%) 4–4 (50%) 95.8 -0.15
24 1981 1575 127.5 -1 -59 42.2% -0.76 2–1 (67%) 5–3 (63%) 104.1 +0.18
25 1982 1523 104.7 +1 25.0% -1.38 0–4 (0%) 0–2 -0.40 1986 1550 104.3 50.0% -0.25 1–0 -0.05
Career 1631 123.1 +17 -11 +31 36.2% -1.08 2–14 (13%) 12–12 (50%) 91.2 +0.62 1561 108.9 +43 -41 +24 40.0% -0.75 5–6 (45%) 4–4 (50%) 100.9 +4.50

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.