| 24‑Sep‑2001 | Palermo | Clay | QF | 36 | 65 | David Nalbandian [ARG] d. (5)Costa | 6-4 3-6 7-5 | | 1.02 | 6.1% | 1.0% | 62.2% | 63.9% | 59.5% | 2/6 | 2:31 |
| 24‑Sep‑2001 | Palermo | Clay | R16 | 36 | 108 | (5)Costa d. Federico Luzzi [ITA] | 6-2 6-1 | | 2.72 | 11.1% | 0.0% | 66.7% | 79.2% | 83.3% | 1/1 | 1:01 |
| 24‑Sep‑2001 | Palermo | Clay | R32 | 36 | 148 | (5)Costa d. Jamie Delgado [GBR] | 6-1 6-3 | | 1.58 | 5.3% | 0.0% | 64.9% | 78.4% | 45.0% | 4/5 | 1:20 |
| 4‑Oct‑1999 | Palermo | Clay | SF | 25 | 80 | Alberto Berasategui [ESP] d. (2)Costa | 2-6 7-6(3) 4-0 RET | | 0.94 | 2.1% | 1.1% | 73.4% | 62.3% | 40.0% | 4/8 | 1:49 |
| 4‑Oct‑1999 | Palermo | Clay | QF | 25 | 45 | (2)Costa d. Alberto Martin [ESP] | 7-6(4) 6-3 | | 1.34 | 6.3% | 3.2% | 74.6% | 74.5% | 43.8% | 3/5 | 1:39 |
| 4‑Oct‑1999 | Palermo | Clay | R16 | 25 | 64 | (2)Costa d. Mariano Puerta [ARG] | 6-2 3-6 6-4 | | 1.26 | 5.8% | 1.4% | 65.2% | 75.6% | 50.0% | 1/4 | 1:48 |
| 4‑Oct‑1999 | Palermo | Clay | R32 | 25 | 93 | (2)Costa d. Marcelo Filippini [URU] | 6-1 6-1 | | 2.17 | 0.0% | 0.0% | 81.0% | 82.4% | 37.5% | 3/3 | 0:57 |
| 26‑Sep‑1994 | Palermo | Clay | R32 | 47 | 107 | Jordi Burillo [ESP] d. Costa | 7-6(7) 5-7 6-3 | | 1.04 | 3.1% | 2.1% | 83.5% | 67.9% | 62.5% | 3/5 | 1:54 |