Christopher O'Connell defeated Lukas Klein 7-6(7) 7-5 in the 2021 Belgrade 2 second qualifying round on clay courts on May 24, 2021.
Match Statistics
| Stat | Christopher O'Connell | Lukas Klein |
| Aces | 5 | 5 |
| Double faults | 3 | 6 |
| First serve % | 67 | 63 |
| First serve points won % | 72 | 68 |
| Second serve points won % | 57 | 43 |
| Break points saved % | 33 | 79 |
| Break points converted % | 21 | 67 |
| Service points won % | 67 | 59 |
| Return points won % | 41 | 33 |
| Total points won % | 52 | 48 |
Player Comparison
| Field | Christopher O'Connell | Lukas Klein |
| Country |
AUS
|
SVK
|
| Birth date | Jun 3, 1994 | Mar 22, 1998 |
| Age | 26 | 23 |
| Height | 183 cm | 193 cm |
| Handedness | Right-Handed | Right-Handed |
| Backhand style | — | — |
| Ranking (entering) | 129 | 254 |
| Ranking points (entering) | 609 | 239 |
| Elo (entering) | 1,585 | 1,532 |
| Current career W-L | 65–99 | 10–16 |
| Current career earnings | $4,554,886 | $1,322,076 |
Path
Christopher O'Connell's path
Christopher O'Connell's next match