| Singles | |
|---|---|
| 2021 Orlando Open II | |
| Champion |  Christopher Eubanks |
| Runner-up |  Nicolás Mejía |
| Score | 2–6, 7–6(7–3), 6–4 |
Jenson Brooksby was the defending champion [1] but withdrew from the quarterfinals.
Christopher Eubanks won the title after defeating Nicolás Mejía 2–6, 7–6(7–3), 6–4 in the final.
Yasutaka Uchiyama (first round)
Jason Jung (first round) Jenson Brooksby (quarterfinals, withdrew)
Paolo Lorenzi (first round)
Emilio Gómez (quarterfinals) Ernesto Escobedo (first round)
Guido Andreozzi (second round) Mitchell Krueger (second round)| Semifinals | Final | ||||||||||||
| JC Aragone | 6 | 61 | 0 | ||||||||||
| Q | Nicolás Mejía | 1 | 77 | 6 | |||||||||
| Q | Nicolás Mejía | 6 | 63 | 4 | |||||||||
| Christopher Eubanks | 2 | 77 | 6 | ||||||||||
| WC | Sam Riffice | 3 | 63 | ||||||||||
| Christopher Eubanks | 6 | 77 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | Y Uchiyama | 5 | 2 | ||||||||||||||||||||||||
| JC Aragone | 7 | 6 | JC Aragone | 6 | 7 | ||||||||||||||||||||||
| Q | TA Tirante | 6 | 6 | Q | TA Tirante | 3 | 5 | ||||||||||||||||||||
| Q | S Kozlov | 3 | 1 | JC Aragone | 6 | 7 | |||||||||||||||||||||
| C Harrison | 6 | 6 | 5 | E Gómez | 4 | 5 | |||||||||||||||||||||
| H Moriya | 0 | 2 | C Harrison | 3 | 3 | ||||||||||||||||||||||
| WC | Oliver Crawford | 62 | 77 | 3 | 5 | E Gómez | 6 | 6 | |||||||||||||||||||
| 5 | E Gómez | 77 | 64 | 6 | JC Aragone | 6 | 61 | 0 | |||||||||||||||||||
| 3 | J Brooksby | 77 | 6 | Q | N Mejía | 1 | 77 | 6 | |||||||||||||||||||
 D King | 65 | 3 | 3 | J Brooksby | 6 | 6 | |||||||||||||||||||||
| R Quiroz | 64 | 4 |  J Kubler | 3 | 1 | ||||||||||||||||||||||
| J Kubler | 77 | 6 | 3 | J Brooksby | |||||||||||||||||||||||
| Q | N Mejía | 6 | 6 | Q | N Mejía | w/o | |||||||||||||||||||||
 S Mukund | 4 | 1 | Q | N Mejía | 7 | 6 | |||||||||||||||||||||
| Q | D Kelly | 6 | 4 | 5 | 7 | G Andreozzi | 5 | 3 | |||||||||||||||||||
| 7 | G Andreozzi | 4 | 6 | 7 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | E Escobedo | 4 | 64 | ||||||||||||||||||||||||
| T-S Kwiatkowski | 6 | 77 | T-S Kwiatkowski | 65 | 6 | 2 | |||||||||||||||||||||
| U Blanch | 6 | 6 | U Blanch | 77 | 3 | 6 | |||||||||||||||||||||
| K King | 4 | 4 | U Blanch | 1 | 5 | ||||||||||||||||||||||
 G Oliveira | 2 | 2r | WC | S Riffice | 6 | 7 | |||||||||||||||||||||
 R Cid Subervi | 6 | 4 | R Cid Subervi | 2 | 2 | ||||||||||||||||||||||
| WC | S Riffice | 6 | 6 | WC | S Riffice | 6 | 6 | ||||||||||||||||||||
| 4 | P Lorenzi | 2 | 4 | WC | S Riffice | 3 | 63 | ||||||||||||||||||||
| 8 | M Krueger | 6 | 7 | C Eubanks | 6 | 77 | |||||||||||||||||||||
| J Sock | 2 | 5 | 8 | M Krueger | 65 | 63 | |||||||||||||||||||||
| C Eubanks | 6 | 6 | C Eubanks | 77 | 77 | ||||||||||||||||||||||
| A Ritschard | 3 | 4 | C Eubanks | 6 | 7 | ||||||||||||||||||||||
 P Polansky | 6 | 6 |  N Jarry | 3 | 5 | ||||||||||||||||||||||
| WC | D Young | 2 | 2 | P Polansky | 3 | 3 | |||||||||||||||||||||
| N Jarry | 6 | 7 | N Jarry | 6 | 6 | ||||||||||||||||||||||
| 2 | J Jung | 4 | 5 | ||||||||||||||||||||||||
Bradley Klahn was the defending champion but lost in the third round to Michael Mmoh.
This was the second of two editions of the tournament in the 2021 tennis season. Benjamin Bonzi was the defending champion but lost in the second round to Jenson Brooksby.
Brandon Nakashima was the defending champion but chose not to defend his title.
Emilio Gómez was the defending champion but chose not to defend his title.
Kevin Anderson defeated Jenson Brooksby in the final, 7–6(10–8), 6–4, to win the singles tennis title at the 2021 Hall of Fame Open. It was played on outdoor grass courts and was part of the 250 series of the 2021 ATP Tour. It took place at the International Tennis Hall of Fame in Newport, Rhode Island, United States from 12 to 18 July 2021.
Denis Kudla was the defending champion but chose not to defend his title.
Jannik Sinner was the defending champion but chose not to defend his title.
Ugo Humbert was the defending champion but chose not to defend his title.
Novak Djokovic defeated the defending champion Daniil Medvedev in the final, 4–6, 6–3, 6–3 to win the singles tennis title at the 2021 Paris Masters. It was his record-extending sixth Paris Masters title and record-breaking 37th ATP Tour Masters 1000 title overall, surpassing Rafael Nadal's tally in the latter category.
Ugo Humbert was the defending champion, but chose not to participate this year.
Stefan Kozlov was the defending champion but lost in the second round to Dominic Stricker.
Reilly Opelka defeated Jenson Brooksby in the final, 7–6(7–5), 7–6(7–3) to win the singles title at the 2022 Dallas Open. This was the first edition of the tournament.
Cameron Norrie defeated Reilly Opelka in the final, 7–6(7–1), 7–6(7–4) to win the singles title at the 2022 Delray Beach Open.
Reilly Opelka defeated John Isner in the final, 6–3, 7–6(9–7), to win the singles tennis title at the 2022 U.S. Men's Clay Court Championships. It marked Opelka's fourth career Association of Tennis Professionals (ATP) singles title and his first on clay. With Opelka's height at 6 ft 11 in (211 cm) and Isner's at 6 ft 10 in (208 cm), the combined heights of both players made the final the tallest one ever contended during the Open Era. At the age of 36, Isner was also playing to become the oldest champion at the tournament in the Open Era.
Jenson Brooksby was the defending champion but chose not to defend his title.
Tim van Rijthoven defeated Daniil Medvedev in the final, 6–4, 6–1 to win the men's singles tennis title at the 2022 Rosmalen Grass Court Championships. It was his maiden ATP Tour title, and he became the first Dutchman to win an ATP Tour singles title since Robin Haase in 2012. Van Rijthoven entered the tournament as a wildcard, and he won the title by earning his first five ATP Tour wins at the tournament.
Alex de Minaur defeated Jenson Brooksby in the final, 6–3, 6–3 to win the singles title at the 2022 Atlanta Open. It was de Minaur's second Atlanta title, the first being in 2019.
Yoshihito Nishioka defeated Denis Shapovalov in the final, 6–4, 7–6(7–5) to win the men's singles tennis title at the 2022 Korea Open. It was his first ATP Tour title since Shenzhen in 2018.
Félix Auger-Aliassime defeated J. J. Wolf in the final, 6–4, 6–4 to win the singles tennis title at the 2022 Firenze Open. It was his second ATP Tour singles title.
Taylor Fritz defeated Miomir Kecmanović in the final, 6–0, 5–7, 6–2 to win the singles tennis title at the 2023 Delray Beach Open.