ATP 250 · 2021-01-04 · draw of 28
Delray Beach 2021
HardFinal
| 🇵🇱 Hubert Hurkacz | d. | 🇺🇸 Sebastian Korda | 6-3 6-3 | H2H |
Semifinals
| 🇺🇸 Sebastian Korda | d. | 🇬🇧 Cameron Norrie | 6-3 7-5 | H2H |
| 🇵🇱 Hubert Hurkacz | d. | 🇺🇸 Christian Harrison | 7-6(4) 6-4 | H2H |
Quarterfinals
| 🇺🇸 Christian Harrison | d. | 🇮🇹 Gianluca Mager | 7-6(2) 6-4 | H2H |
| 🇬🇧 Cameron Norrie | d. | 🇺🇸 Frances Tiafoe | 6-0 3-6 6-4 | H2H |
| 🇵🇱 Hubert Hurkacz | d. | 🇪🇨 Roberto Quiroz | 6-4 6-4 | H2H |
| 🇺🇸 Sebastian Korda | d. | 🇺🇸 John Isner | 6-3 4-6 6-3 | H2H |
Round of 16
| 🇪🇨 Roberto Quiroz | d. | 🇭🇷 Ivo Karlovic | 6-2 6-4 | H2H |
| 🇺🇸 Frances Tiafoe | d. | 🇺🇸 Bjorn Fratangelo | 6-4 3-6 6-1 | H2H |
| 🇮🇹 Gianluca Mager | d. | 🇺🇸 Sam Querrey | 7-6(8) 6-1 | H2H |
| 🇺🇸 Sebastian Korda | d. | 🇺🇸 Tommy Paul | 4-6 6-3 6-2 | H2H |
| 🇵🇱 Hubert Hurkacz | d. | 🇨🇴 Daniel Elahi Galan | 6-2 6-2 | H2H |
| 🇬🇧 Cameron Norrie | d. | 🇫🇷 Adrian Mannarino | 6-2 7-5 | H2H |
| 🇺🇸 John Isner | d. | 🇧🇷 Thiago Monteiro | 6-4 7-6(4) | H2H |
| 🇺🇸 Christian Harrison | d. | 🇨🇱 Cristian Garin | 7-6(3) 6-2 | H2H |
Round of 32
| 🇪🇨 Roberto Quiroz | d. | 🇺🇸 Noah Rubin | 7-6(1) 6-3 | H2H |
| 🇬🇧 Cameron Norrie | d. | 🇺🇸 JC Aragone | 6-2 6-1 | H2H |
| 🇧🇷 Thiago Monteiro | d. | 🇧🇷 Thomaz Bellucci | 6-3 7-5 | H2H |
| 🇮🇹 Gianluca Mager | d. | 🇺🇸 Ryan Harrison | 3-6 6-1 6-4 | H2H |
| 🇺🇸 Sebastian Korda | d. | 🇰🇷 Soonwoo Kwon | 6-4 6-4 | H2H |
| 🇺🇸 Christian Harrison | d. | 🇦🇷 Tomas Martin Etcheverry | 6-4 6-2 | H2H |
| 🇨🇴 Daniel Elahi Galan | d. | 🇸🇰 Andrej Martin | 6-4 6-4 | H2H |
| 🇺🇸 Bjorn Fratangelo | d. | 🇺🇸 Kevin King | 6-2 6-2 | H2H |
| 🇺🇸 Frances Tiafoe | d. | 🇺🇸 Donald Young | 6-3 6-4 | H2H |
| 🇭🇷 Ivo Karlovic | d. | 🇪🇸 Pablo Andujar | 6-3 5-7 6-4 | H2H |
| 🇺🇸 Sam Querrey | d. | 🇺🇸 Mackenzie McDonald | 6-3 6-4 | H2H |
| 🇺🇸 Tommy Paul | d. | 🇰🇷 JiSung Nam | 6-1 6-4 | H2H |