| 30‑Nov‑2020 | Maia CH | Clay | R32 | 176 | 152 | (8)Carlos Taberner [ESP] d. Domingues | 6-3 6-2 | | 0.53 | 2.4% | 4.8% | 64.3% | 55.6% | 40.0% | 2/6 | 1:08 |
| 26‑Oct‑2020 | Marbella CH | Clay | R16 | 174 | 152 | Blaz Rola [SLO] d. Domingues | 6-3 6-3 | | 0.69 | 2.7% | 8.0% | 65.3% | 61.2% | 46.2% | 5/8 | 1:29 |
| 26‑Oct‑2020 | Marbella CH | Clay | R32 | 174 | 102 | Domingues d. (5)Andrej Martin [SVK] | 6-3 3-6 7-6(7) | | 0.98 | 0.0% | 0.0% | 76.0% | 58.9% | 30.4% | 5/12 | 2:13 |
| 12‑Oct‑2020 | Lisbon CH | Clay | R32 | 169 | 194 | Benjamin Bonzi [FRA] d. (8)Domingues | 6-3 6-0 | | 0.53 | 2.6% | 0.0% | 61.5% | 58.3% | 26.7% | 0/4 | 0:57 |
| 5‑Oct‑2020 | Barcelona CH | Clay | R32 | 161 | 129 | (5)Facundo Bagnis [ARG] d. Domingues | 7-6(5) 6-4 | | 0.78 | 1.3% | 3.9% | 51.9% | 65.0% | 43.2% | 5/9 | 1:52 |
| 28‑Sep‑2020 | Roland Garros | Clay | Q1 | 161 | 174 | Robin Haase [NED] d. Domingues | 6-1 7-5 | | 0.68 | 1.3% | 1.3% | 59.2% | 60.0% | 41.9% | 7/11 | 1:36 |
| 17‑Feb‑2020 | Rio De Janeiro | Clay | R16 | 169 | 128 | (Q)Gianluca Mager [ITA] d. (Q)Domingues | 6-3 7-6(5) | | 0.84 | 1.3% | 1.3% | 66.2% | 58.8% | 42.3% | 7/10 | 1:42 |
| 17‑Feb‑2020 | Rio De Janeiro | Clay | R32 | 169 | 127 | (Q)Domingues d. (LL)Federico Gaio [ITA] | 7-6(8) 6-4 | | 0.91 | 2.8% | 2.8% | 66.7% | 62.5% | 58.3% | 2/4 | 1:46 |
| 17‑Feb‑2020 | Rio De Janeiro | Clay | Q2 | 169 | 127 | Domingues d. (4)Federico Gaio [ITA] | 3-6 7-6(5) 7-5 | | 0.89 | 3.6% | 0.0% | 76.6% | 64.7% | 65.4% | 12/14 | 2:48 |
| 17‑Feb‑2020 | Rio De Janeiro | Clay | Q1 | 169 | 157 | Domingues d. (8)Alessandro Giannessi [ITA] | 7-5 3-1 RET | | 1.57 | 4.0% | 2.0% | 74.0% | 67.6% | 76.9% | 3/4 | 1:21 |
| 10‑Feb‑2020 | Buenos Aires | Clay | R32 | 175 | 142 | (Q)Pedro Martinez [ESP] d. (LL)Domingues | 7-6(0) 7-5 | | 0.81 | 2.4% | 1.2% | 56.0% | 57.4% | 51.4% | 10/13 | 2:18 |
| 10‑Feb‑2020 | Buenos Aires | Clay | Q2 | 175 | 182 | Filip Horansky [SVK] d. (Alt)Domingues | 6-0 7-6(5) | | 0.77 | 0.0% | 1.6% | 71.0% | 52.3% | 38.9% | 2/7 | 1:25 |
| 10‑Feb‑2020 | Buenos Aires | Clay | Q1 | 175 | 117 | (Alt)Domingues d. (4)Federico Coria [ARG] | 6-2 6-3 | | 1.67 | 1.9% | 0.0% | 69.8% | 75.7% | 68.8% | 4/4 | 1:09 |
| 3‑Feb‑2020 | Cordoba | Clay | Q1 | 177 | 198 | Carlos Taberner [ESP] d. (8)Domingues | 5-7 7-5 6-1 | | 0.96 | 2.4% | 3.6% | 64.3% | 64.8% | 53.3% | 7/12 | 2:33 |
| 27‑Jan‑2020 | Punta Del Este CH | Clay | R32 | 171 | 298 | Pedro Sakamoto [BRA] d. (10)Domingues | 7-6(4) 6-2 | | 0.62 | 2.5% | 3.8% | 62.5% | 66.0% | 46.7% | 6/8 | 1:51 |
| 20‑Jan‑2020 | Australian Open | Hard | Q2 | 171 | 206 | Zhe Li [CHN] d. Domingues | 6-4 6-1 | | 0.75 | 2.2% | 2.2% | 54.3% | 64.0% | 33.3% | 1/5 | 1:15 |
| 20‑Jan‑2020 | Australian Open | Hard | Q1 | 171 | 222 | Domingues d. Mats Moraing [GER] | 7-6(5) 6-3 | | 1.64 | 6.6% | 0.0% | 62.3% | 78.9% | 69.6% | 1/2 | 1:31 |