Sam Riffice

Riffice was given his ATP tour debut as a wildcard at the 2021 US Open, where he lost in the first round to 15th seed Grigor Dimitrov.

Challenger Fairfield	10/15 18:00	28	Michael Mmoh v Sam Riffice	6-4,6-4
Challenger Fairfield	10/14 17:00	27	Alexis Galarneau v Sam Riffice	4-6,6-7
Challenger Fairfield	10/12 18:45	26	Christian Langmo v Sam Riffice	7-6,3-6,4-6
Challenger Fairfield	10/11 18:20	25	Sam Riffice v Stefan Kozlov	3-6,6-2,6-3
Challenger Fairfield	10/10 17:00	19	Ezekiel Clark v Sam Riffice	7-5,5-7,3-6
Challenger Fairfield	10/09 19:35	14	Sam Riffice v Jack Pinnington Jones	6-3,6-4
Challenger Tiburon	10/05 21:05	26	Ben Shelton v Sam Riffice	6-3,6-2
Challenger Tiburon	10/04 17:00	25	Sam Riffice v Evan King	6-7,7-5,6-1
ITF M15 Fayetteville	09/25 14:55	29	Sam Riffice v Blu Baker	Retired
ITF M15 Fayetteville	09/24 15:00	28	Sam Riffice v Radu Mihai Papoe	6-3,6-0
ITF M15 Fayetteville	09/23 17:15	27	Jack Pinnington Jones v Sam Riffice	6-4,2-6,3-6
ITF M15 Fayetteville	09/22 21:50	26	Benito Sanchez Martinez v Sam Riffice	1-6,3-6