| Lassi Ketola | |
| Fullname: | Lassi Olavi Ketola |
| Birth Date: | 16 January 1978 |
| Birth Place: | Kajaani, Finland |
| Height: | 6 ft 5 in |
| Plays: | Right-handed |
| Careerprizemoney: | $23,430 |
| Highestsinglesranking: | No. 653 (13 Sep 2004) |
| Highestdoublesranking: | No. 288 (5 Jul 2004) |
Lassi Olavi Ketola (born 16 January 1978) is a Finnish former professional tennis player.[1]
Born in Kajaani, Ketola was a five-time winner at the national doubles championships and played collegiate tennis for the UCLA Bruins before turning professional.[2]
Ketola made two doubles finals on the ATP Challenger Tour and was a Davis Cup representative for Finland in 2004, partnering Juho Paukku in a doubles rubber against Israel.
| No. | Date | Tournament | Surface | Partner | Opponents | Score | |
|---|---|---|---|---|---|---|---|
| 1. | Finland F3, Hämeenlinna | Clay |  Janne Ojala |  James Davidson Patrik Langvardt | 3–6, 6–3, 6–2 | ||
| 2. | Estonia F1, Pärnu | Clay | Tero Vilen |  Henrik Andersson Nicklas Timfjord | 7–6, 6–4 |