| Country (sports) |  Canada |
|---|---|
| Residence | Canada |
| Born | February 21, 1854 Sherbrooke, Canada East |
| Died | February 17, 1944 (aged 89) Allandale House, Toronto, Canada |
| Height | 6 ft 4 in (193 cm) |
| Singles | |
| Career record | 20/8 [1] |
| Career titles | 1 [2] |
| Doubles | |
| Career titles | 1 ATP |
| Last updated on: July 25, 2016. | |
Isidore Frederick (I.F.) Hellmuth (1854–1944) was the first champion of what became the Canadian National Tennis Championship, now known as the Canadian Open or the Rogers Cup. He was also a three-time runner-up as well as one-time doubles champion.
- ^ "Isidore F. Hellmuth: Career match record". thetennisbase.com. Tennis Base. Retrieved 19 October 2017.
- ^ "Isidore F. Hellmuth: Career match record". thetennisbase.com. Tennis Base. Retrieved 19 October 2017.