| Score: | 6–8, 6–2, 3–6, 6–1, 6–1 |
| Draw: | 30 |
| Seeds: | – |
See main article: 1890 Wimbledon Championships. Willoughby Hamilton defeated Harry Barlow, 2–6, 6–4, 6–4, 4–6, 7–5 in the All Comers' Final, and then defeated the reigning champion William Renshaw, 6–8, 6–2, 3–6, 6–1, 6–1 in the challenge round to win the gentlemen's singles tennis title at the 1890 Wimbledon Championships.[1] [2]