Every competitive match Watford played in 1909–10, in Third Division South — 1 matches, 0 won, 0 drawn, 1 lost, with scorers and attendances where the record holds them.
| Date | Competition | Venue | Opponent | Their season | Score | Scorers | Att |
|---|---|---|---|---|---|---|---|
| 15 Jan 1910 | FA Cup | A | Arsenal | Arsenal 1909–10 | 0–3 |
All 109 Watford seasons · Watford head-to-head records · Watford players