| 1998-07-27 | Kitzbuhel | Clay | R64 | 455 |  Thomas Schiessling (Q) | 218 | Gerald Mandl (WC) | 6-4 6-2 | H2H | 3 | 71 | 1 | 2 | 58.3% | 78.6% | 70.0% | 0/0 |
| 1998-04-27 | Munich | Clay | R16 | 54 |  Galo Blanco | 209 | Gerald Mandl (LL) | 6-4 6-2 | H2H | 3 | 68 | 7 | 1 | 58.3% | 74.3% | 60.0% | 2/3 |
| 1998-04-27 | Munich | Clay | R32 | 209 | Gerald Mandl (LL) | 156 |  Alex Radulescu | 7-6(5) 6-4 | H2H | 3 | 84 | 10 | 4 | 61.3% | 78.9% | 62.5% | 0/1 |
| 1998-04-03 | Davis Cup G1 QF: ISR vs AUT | Hard | RR | 179 |  Eyal Erlich | 209 | Gerald Mandl | 6-1 7-6(4) 7-5 | H2H | 5 | - | - | - | - | - | - | - |
| 1997-09-19 | Davis Cup WG PO: ZIM vs AUT | Hard | RR | 121 |  Wayne Black | 245 | Gerald Mandl | 5-7 6-3 6-3 6-0 | H2H | 5 | - | - | - | - | - | - | - |
| 1997-07-21 | Kitzbuhel | Clay | R32 | 41 | MARHicham Arazi (7) | 321 | Gerald Mandl (LL) | 6-4 7-6(5) | H2H | 3 | 78 | 4 | 5 | 44.8% | 90.0% | 56.8% | 0/1 |
| 1997-07-21 | Kitzbuhel | Clay | R64 | 321 | Gerald Mandl (LL) | 84 | Gilbert Schaller | 5-2 RET | H2H | 3 | 31 | 4 | 0 | 46.2% | 66.7% | 71.4% | 3/3 |
| 1992-10-19 | Vienna | Carpet | R32 | 140 | David Prinosil (Q) | 1124 | Gerald Mandl (WC) | 6-2 6-4 | H2H | 3 | 72 | 6 | 4 | 36.7% | 77.3% | 65.8% | 4/4 |
| 1991-10-14 | Vienna | Carpet | R32 | 112 | Eric Jelen | 421 | Gerald Mandl (WC) | 6-4 6-2 | H2H | 3 | 54 | 1 | 1 | 65.2% | 76.7% | 75.0% | 2/3 |
| 1991-09-20 | Davis Cup WG PO: GBR vs AUT | Grass | RR | 422 | Gerald Mandl | 186 |  Jeremy Bates | 7-5 4-6 10-8 | H2H | 3 | - | - | - | - | - | - | - |
