H2H data updated: 2026-07-19 14:15 UTC
Heinz Gunthardt vs Tian C Viljoen H2H: 0-1
Tian C Viljoen holds a 1–0 lead over Heinz Gunthardt in their ATP head-to-head. Across 1 main-draw meeting, Tian C Viljoen leads 1–0 on hard courts. Most recently, Tian C Viljoen won the 1981 Johannesburg third round 6-1 6-4.
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SUI
Age 67
Right-Handed
180 cm / 5'11"
H2H
0
–
1
1 main draw meetings
RSA
Right-Handed
191 cm / 6'3"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Nov 26, 1981* | Johannesburg | ATP 250 | R32 | Hard | Tian C Viljoen | 6-1 6-4 | Heinz Gunthardt | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Heinz Gunthardt | #1,013 | #22 | 0 | 1,966 | 225 | 189 | 54.3% | 0 | 0 | 0 | 0 | 5 | 5 |
| Tian C Viljoen | #553 | #282 | 0 | 1,559 | 4 | 6 | 40.0% | 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.
| Heinz Gunthardt | Tian C Viljoen | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1976 | 1–4 | 20.0% | #210 | 1,497 | 0 | 0 | 1981 | 3–2 | 60.0% | — | 1,543 | 0 | 0 |
| 1977 | 3–6 | 33.3% | #221 | 1,509 | 0 | 0 | 1982 | 0–1 | 0.0% | #282 | 1,534 | 0 | 0 |
| 1978 | 25–25 | 50.0% | #55 | 1,764 | 0 | 1 | 1983 | 1–3 | 25.0% | #382 | 1,536 | 0 | 0 |
| 1979 | 30–23 | 56.6% | #51 | 1,812 | 0 | 1 | — | — | — | — | — | — | — |
| 1980 | 37–21 | 63.8% | #26 | 1,832 | 0 | 4 | — | — | — | — | — | — | — |
| 1981 | 28–22 | 56.0% | #38 | 1,813 | 0 | 4 | — | — | — | — | — | — | — |
| 1982 | 26–25 | 51.0% | #85 | 1,722 | 0 | 4 | — | — | — | — | — | — | — |
| 1983 | 27–15 | 64.3% | #25 | 1,853 | 0 | 5 | — | — | — | — | — | — | — |
| 1984 | 23–19 | 54.8% | #31 | 1,779 | 0 | 5 | — | — | — | — | — | — | — |
| 1985 | 22–19 | 53.7% | #36 | 1,818 | 0 | 5 | — | — | — | — | — | — | — |
| 1986 | 3–9 | 25.0% | #251 | 1,670 | 0 | 5 | — | — | — | — | — | — | — |
| 1987 | 0–1 | 0.0% | #954 | 1,663 | 0 | 5 | — | — | — | — | — | — | — |