R. Armstrong is a ATP tennis player. Recent form: 0-3 over the last 3 matches.
| Date | Opponent | Score | Event | |
|---|---|---|---|---|
| July 2, 2021 | L | L. Gomez | 2 - 0 | ATP Davis Cup - Group III |
| July 1, 2021 | L | S. Arcila | 2 - 0 | ATP Davis Cup - Group III |
| June 30, 2021 | L | R. Phillips | 2 - 0 | ATP Davis Cup - Group III |