29‑Sep‑1981 | Maui | Hard | R32 | 24 | 79 | Jeff Borowiak [USA] d. (2)Lutz | 7-6 7-5 | | | | | | | | | |
27‑Oct‑1980 | Cologne | Hard | R32 | 25 | | (4)Lutz d. Jeff Borowiak [USA] | 7-5 2-0 RET | | | | | | | | | |
21‑Jun‑1976 | Wimbledon | Grass | R128 | | | Lutz d. Jeff Borowiak [USA] | 4-6 6-4 6-4 6-4 | | | | | | | | | |
31‑Mar‑1975 | Tuscon | Hard | R64 | 44 | 40 | Jeff Borowiak [USA] d. Lutz | 6-7 6-2 7-6 | | | | | | | | | |
30‑Apr‑1972 | Denver WCT | Carpet | R32 | | | Lutz d. Jeff Borowiak [USA] | 2-6 7-5 6-3 | | | | | | | | | |
17‑Oct‑1971 | Cologne WCT | Carpet | F | | | Lutz d. Jeff Borowiak [USA] | 6-3 6-7 6-3 6-1 | | | | | | | | | |
20‑Sep‑1971 | Sacramento | Hard | R16 | | | Lutz d. Jeff Borowiak [USA] | 7-6 6-3 | | | | | | | | | |
18‑Jul‑1970 | Washington | Hard | R32 | | | Lutz d. Jeff Borowiak [USA] | 11-9 6-2 | | | | | | | | | |
12‑May‑1969 | Los Angeles SoCal Chps | | R16 | | | Lutz d. Jeff Borowiak [USA] | 6-1 6-3 | | | | | | | | | |