Roy Emerson holds a solid clay court record of 64–37 across 101 matches (63.4%). A winning majority across 101 matches shows consistent ability to get results on clay. 5 titles on clay: Hollywood NTL, Portschach, Buenos Aires-2, Aix-en-Provence, Gstaad — a record that reflects consistent ability to close out tournaments on this surface.

At Grand Slam level (Roland Garros): Roy Emerson has been outstanding — 7–2 (77.8%) across 9 matches. Winning more than 7 in 10 Grand Slam matches on clay is the benchmark of an all-time great on this surface.

6 finals reached on clay — converted 5 into titles (outstanding 83% conversion rate). Converting finals at that rate separates champions from contenders. 9 semifinals. 18 quarterfinals.

By format on clay — best-of-five: 24–11 (68.6%); best-of-three: 40–26 (60.6%). Slightly better in five-set matches on clay — a positive sign for the Slams specifically.

Peak season: 1969 — 24–7 (77.4%) from 31 matches. That year captures the ceiling of what Roy Emerson can do on clay when performing at their best and represents the standard to aim for.

Roy Emerson assembled a remarkable 16-match winning streak on clay — a run of that length goes far beyond form and into a different level of dominance on this surface.