Head to head
Rivalry summary
Cliff Richey and Thomaz Koch met 6 times on the ATP tour between 1969 and 1975. Their head-to-head is level at 3–3. By surface, they are level 1–1 on hard; Koch leads 2–1 on carpet.
1
Hard
1
1
Grass
0
1
Carpet
2
Cliff Richey's wins on the left · Thomaz Koch's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1975 | Nottingham | Grass | R64 | Cliff Richey | 3-6 7-5 6-2 |
| 1971 | Salisbury | Carpet | QF | Cliff Richey | 6-2 6-2 |
| 1971 | New York | Carpet | QF | Thomaz Koch | 7-5 6-2 |
| 1970 | Los Angeles-2 | Hard | R32 | Thomaz Koch | 6-3 6-2 |
| 1969 | Los Angeles-2 | Hard | QF | Cliff Richey | 8-6 5-7 6-4 |
| 1969 | Richmond | Carpet | QF | Thomaz Koch | 8-6 6-3 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.