Wheelchair tennis at the 2020 Summer Paralympics – Quad singles
# Wheelchair tennis at the 2020 Summer Paralympics – Quad singles

The quad singles wheelchair tennis tournament at the 2020 Paralympic Games in Tokyo was held at the Ariake Tennis Park in Kōtō, Tokyo from 28 August to 4 September 2021.

The defending champion was Dylan Alcott, who was the number 1 seed for the tournament. Alcott succeeded in winning the fourth leg of a Golden Slam, having won the Australian Open, French Open and Wimbledon earlier in the year.

## Seeds

* Dylan Alcott (AUS) (champion, gold medalist)
* Sam Schröder (NED) (final, silver medalist)
* Andy Lapthorne (GBR) (quarterfinals)
* David Wagner (USA) (quarterfinals)

## Draw

| Round of 16 | Round of 16 | Round of 16 | Round of 16 | Round of 16 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final (gold-medal match) | Final (gold-medal match) | Final (gold-medal match) | Final (gold-medal match) | Final (gold-medal match) |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | Dylan Alcott (AUS) | 6 | 6 | | | | | | | | | | | | | | | |
| | Mitsuteru Moroishi (JPN) | 0 | 2 | | 1 | Dylan Alcott (AUS) | 6 | 6 | | | | | | | | | | |
| | Bryan Barten (USA) | 6 | 6 | | | Bryan Barten (USA) | 0 | 1 | | | | | | | | | | |
| | Kim Kyu-seung (KOR) | 4 | 1 | | | | | | 1 | Dylan Alcott (AUS) | 6 | 3 | 6 | | | | | |
| 3 | Andy Lapthorne (GBR) | 6 | 6 | | | | | | | Niels Vink (NED) | 4 | 6 | 4 | | | | | |
| | Robert Shaw (CAN) | 3 | 3 | | 3 | Andy Lapthorne (GBR) | 4 | 1 | | | | | | | | | | |
| | Shraga Weinberg (ISR) | 0 | 3 | | | Niels Vink (NED) | 6 | 6 | | | | | | | | | | |
| | Niels Vink (NED) | 6 | 6 | | | | | | | | | | | 1 | Dylan Alcott (AUS) | $7^7$ | 6 | |
| | Kim Myung-je (KOR) | 0 | 0 | | | | | | | | | | | 2 | Sam Schröder (NED) | $6^2$ | 1 | |
| | Koji Sugeno (JPN) | 6 | 6 | | | Koji Sugeno (JPN) | 6 | 6 | | | | | |
| | Ymanitu Silva (BRA) | 6 | 2 | 2 | 4 | David Wagner (USA) | 4 | 2 | | | | | |
| 4 | David Wagner (USA) | 3 | 6 | 6 | | | | | | Koji Sugeno (JPN) | 2 | 3 | | Bronze-medal match | Bronze-medal match | Bronze-medal match | Bronze-medal match | Bronze-medal match |
| | Antony Cotterill (GBR) | 1 | 0 | | | | | | 2 | Sam Schröder (NED) | 6 | 6 | |
| | Heath Davidson (AUS) | 6 | 6 | | | Heath Davidson (AUS) | 2 | 1 | | | | | | | Niels Vink (NED) | 6 | 6 | |
| | Yosi Saadon (ISR) | 1 | 2 | | 2 | Sam Schröder (NED) | 6 | 6 | | | | | | | Koji Sugeno (JPN) | 1 | 4 | |
| 2 | Sam Schröder (NED) | 6 | 6 | | | | | | | | | | | | | | | |
