ITF M25 Columbus 11/14 15:50 54 Luc Fomba v John Mercer 6-4,6-4
ITF M25 Edwardsville 07/25 13:30 54 Daniel Milavsky v John Mercer 4-6,6-4,10-8
ITF M25 Edwardsville 07/24 14:00 54 John Mercer v Matt Hulme 6-4,7-5
ITF M25 Laval 07/12 14:00 25 J Mercer v Jaden Weekes 1-6,2-6
ITF M25 Laval 07/10 20:00 54 Gabrielius Guzauskas v J Mercer 6-2,3-6,6-10
ITF M25 Laval 07/09 16:35 54 Yanael Lundqvist v J Mercer 1-6,2-6
ITF M15 East Lansing 11/16 19:55 25 Patrick Fletchall v J Mercer 6-4,6-4
ITF M25 East Lansing 11/15 15:00 44 Jeremy Schifris v John Mercer 6-2,6-1
ITF M25 East Lansing 11/13 16:30 44 John Mercer v Stefan Menichella 2-6,6-2,10-3
ITF M15 Winston-Salem 11/07 20:30 54 Herbert Jody Maginley v John Mercer 7-5,4-6,10-7
Challenger - Lexington 07/31 22:20 14 J Mercer v Alafia Ayeni 6-3,2-6,4-6
UTR Pro Tennis Series Ann Arbor 07/29 17:00 - Jacob Bickersteth v J Mercer 6-0,4-6,6-4
UTR Pro Tennis Series Ann Arbor 07/27 17:30 - J Mercer v Jacob Perkins 6-0,6-2
UTR Pro Tennis Series Ann Arbor 07/25 17:00 - J Mercer v Shourya Verma 3-6,6-3,6-3
UTR Pro Tennis Series Ann Arbor 07/24 18:30 - Luke Baylis v J Mercer 4-6,3-5
ITF M15 Pittsburgh 07/12 14:00 54 Christian Lakoseljac v John Mercer 6-3,6-2
ITF M15 South Bend 06/21 12:30 54 Presley Thieneman v John Mercer 6-3,6-4
UTR Pro Tennis Series - Florida 12/15 15:30 - Matthew Segura v J Mercer 6-1,6-3
UTR Pro Tennis Series - Florida 12/13 17:00 - Shunsuke Mitsui v J Mercer 6-1,6-0
ITF M15 East Lansing 11/16 15:00 54 John Mercer v Nico Mostardi 1-6,5-7
ITF M15 East Lansing 11/15 18:00 54 Matthew Dellavedova v John Mercer 6-7,2-6
ITF M25 Fayetteville 10/22 14:45 44 Murphy Cassone v John Mercer 6-3,2-6,10-8
ITF M25 Fayetteville 10/21 15:00 44 John Mercer v Ian Chadwell 6-4,6-4
ITF M15 Pittsburgh 07/01 14:00 54 John Mercer v Andrew Zhang 2-6,1-6
ITF USA F33 11/18 16:05 54 Tim Ruehl v John Mercer 6-3,6-0
ITF USA F29 10/26 18:00 60 Alejandro Valencia v John Mercer 6-4,7-5
ITF USA F18 06/25 14:00 62 Jordi Arconada v John Mercer 6-4,6-1
ITF USA F18 06/24 14:00 62 Rico Gore v John Mercer 1-6,1-6