Sam Groth defeated Andrew Coelho 6-3 4-6 6-3 in the Australia F12 round of 32 on grass. The upset overturned the form book — Andrew Coelho came in leading the head-to-head 3–0. Sam Groth claimed a first win over Andrew Coelho in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-03-17 | Australia F4 | QF | hard | Andrew Coelho | 7-6(4) 6-2 |
| 2007-11-05 | Australia F10 | SF | hard | Andrew Coelho | 6-4 6-4 |
| 2007-04-30 | Great Britain F9 | R16 | clay | Andrew Coelho | 6-0 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.