| Tournoi | Adversaire | Score |
|---|---|---|
| Stuttgart | Stan Wawrinka | 5-7 1-6 |
| Stuttgart |
| Ethan Quinn |
| 5-7 1-6 |
| Tournoi | Adversaire | Score |
|---|---|---|
| Rio de Janeiro | Carlos Alcaraz | 5-7 6-4 7-5 |
| Tournoi | Adversaire | Score |
|---|---|---|
| Lyon | Alex Molcan | 6-3 6-7(3) 6-1 |
| Delray Beach | Reilly Opelka | 7-6(1) 7-6(4) |
| Tournoi | Adversaire | Score |
|---|---|---|
| Indian Wells | Nikoloz Basilashvili | 3-6 6-4 6-1 |
| Los Cabos | Brandon Nakashima | 6-2 6-2 |