Wilhelm Bungert holds a solid clay court record of 28–20 across 48 matches (58.3%). A winning majority across 48 matches shows consistent ability to get results on clay. Wilhelm Bungert has reached 1 final without yet claiming a title on clay — one of the finest margins in tennis.

At Grand Slam level (Roland Garros): Wilhelm Bungert has yet to record a win on clay at this stage — 0–1 across 1 Grand Slam match. Breaking through here would mark a significant step forward on this surface.

One final reached on clay, without converting it into a title. That final-round experience is valuable groundwork for going one step further next time. 2 semifinals. 6 quarterfinals.

By format on clay — best-of-five: 19–15 (55.9%); best-of-three: 9–5 (64.3%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance on clay.

Best season: 1968 — 13–3 (81.3%) from 16 matches. The best single-season display to date — a useful reference point as the clay record continues to develop.

Wilhelm Bungert recorded a notable 6-match winning streak on clay — a run that demonstrates consistency across consecutive draws on this surface.