25‑Jul‑1994 | Hilversum | Clay | R16 | 27 | 52 | Richard Fromberg [AUS] d. (4)Haarhuis | 6-4 6-4 | | 0.73 | 6.0% | 3.0% | 44.8% | 80.0% | 37.8% | 7/10 | 1:27 |
25‑Jul‑1994 | Hilversum | Clay | R32 | 27 | 54 | (4)Haarhuis d. Jacco Eltingh [NED] | 7-5 7-5 | | 1.29 | 8.1% | 1.4% | 58.1% | 76.7% | 61.3% | 4/5 | 1:29 |
26‑Jul‑1993 | Hilversum | Clay | QF | 60 | 38 | Richard Fromberg [AUS] d. Haarhuis | 7-6(5) 6-3 | | 0.97 | 3.0% | 3.0% | 48.5% | 71.9% | 64.7% | 5/6 | 1:48 |
26‑Jul‑1993 | Hilversum | Clay | R16 | 60 | 5 | Haarhuis d. (1)Sergi Bruguera [ESP] | 7-6(5) 6-3 | | 1.27 | 8.8% | 0.0% | 50.0% | 76.5% | 67.6% | 1/2 | 1:33 |
26‑Jul‑1993 | Hilversum | Clay | R32 | 60 | 208 | Haarhuis d. (Q)Fernon Wibier [NED] | 6-3 6-2 | | 1.64 | 3.9% | 2.0% | 56.9% | 79.3% | 59.1% | 3/4 | 1:14 |
20‑Jul‑1992 | Hilversum | Clay | R32 | 34 | 110 | Marc Kevin Goellner [GER] d. (5)Haarhuis | 7-6(6) 7-5 | | 0.89 | 0.0% | 3.5% | 67.4% | 69.0% | 39.3% | 0/3 | 1:41 |
22‑Jul‑1991 | Hilversum | Clay | R32 | 47 | 50 | Mark Koevermans [NED] d. Haarhuis | 7-6(4) 6-2 | | 0.76 | 8.3% | 0.0% | 55.0% | 57.6% | 55.6% | 0/3 | 1:35 |
23‑Jul‑1990 | Hilversum | Clay | R16 | 41 | 148 | (LL)Francisco Clavet [ESP] d. Haarhuis | 7-5 6-2 | | | | | | | | | |
23‑Jul‑1990 | Hilversum | Clay | R32 | 41 | 53 | Haarhuis d. Alberto Mancini [ARG] | 6-2 6-2 | | | | | | | | | |
24‑Jul‑1989 | Hilversum | Clay | QF | 150 | 89 | (8)Karel Novacek [CZE] d. Haarhuis | 6-2 6-3 | | | | | | | | | |
24‑Jul‑1989 | Hilversum | Clay | R16 | 150 | 136 | Haarhuis d. (Q)Roberto Azar [ARG] | 7-6 6-2 | | | | | | | | | |
24‑Jul‑1989 | Hilversum | Clay | R32 | 150 | 13 | Haarhuis d. (1)Kent Carlsson [SWE] | 6-3 7-5 | | | | | | | | | |
25‑Jul‑1988 | Hilversum | Clay | R32 | | 83 | Pedro Rebolledo [CHI] d. (Q)Haarhuis | 6-2 6-2 | | | | | | | | | |