Marty Riessen holds a solid clay court record of 114–62 across 176 matches (64.8%). A winning majority across 176 matches shows consistent ability to get results on clay. Claimed 2 titles on clay: Reggio Calabria, Tehran WCT.

At Grand Slam level (Roland Garros): a positive 10–6 (62.5%) across 16 matches — a player who generally rises to the occasion at the Slams on clay.

7 finals reached on clay — won 2, lost 5 (29% conversion) — capable of reaching finals consistently, with room to improve at the decisive moment. 11 semifinals. 28 quarterfinals.

vs. Top 10 on clay: 0–8 (0.0%, 8 matches). Top 10 opponents have represented a clear ceiling on clay; addressing that deficit is the single biggest lever for improving the overall record here.

By format on clay — best-of-five: 21–17 (55.3%); best-of-three: 93–45 (67.4%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance on clay.

Peak season: 1968 — 27–8 (77.1%) from 35 matches. That year captures the ceiling of what Marty Riessen can do on clay when performing at their best and represents the standard to aim for.