ITF M15 Vero Beach 04/24 15:00 25 Nathan Ponwith v Rudy Quan 0-6,6-7
Challenger Acapulco 04/16 23:25 25 Maxime Cressy v Nathan Ponwith 6-4,6-0
Challenger Acapulco 04/16 00:50 19 Nick Chappell v Nathan Ponwith 6-2,6-7,2-6
Challenger Acapulco 04/15 01:25 14 Nathan Ponwith v Elmar Ejupovic 7-6,6-3
Challenger Morelos 04/07 20:00 14 Nathan Ponwith v Alafia Ayeni 6-7,3-6
ITF M25 Calabasas 03/21 17:45 26 Nathan Ponwith v Samir Banerjee 4-6,4-6
ITF M25 Calabasas 03/19 23:55 25 Ezekiel Clark v Nathan Ponwith 3-6,3-6
ITF M25 Bakersfield 03/13 19:35 25 Andre Ilagan v Nathan Ponwith 6-4,6-3
ITF M25 Faro 02/27 10:00 25 Nikolay Vylegzhanin v Nathan Ponwith 6-7,6-2,6-4
ITF M25 Vila Real de Santo Antonio 02/24 11:00 28 Nathan Ponwith v Jaime Faria 3-6,1-6
ITF M25 Vila Real de Santo Antonio 02/23 11:00 27 John Echeverria v Nathan Ponwith 7-5,3-6,6-7
ITF M25 Vila Real de Santo Antonio 02/22 11:00 26 Nathan Ponwith v Duarte Vale 6-3,4-6,7-6
ITF M25 Vila Real de Santo Antonio 02/21 12:00 25 Nathan Ponwith v Henrik Wiersholm 6-1,6-4
Challenger Glasgow 02/11 16:25 14 Nathan Ponwith v Alex Knaff 3-6,3-6
Challenger Cleveland 01/30 00:15 25 [496] Nathan Ponwith v Patrick Kypson [185] 3-6,2-6
ITF M25 Wesley Chapel 01/25 18:35 26 Harrison Adams v Nathan Ponwith 6-2,6-4
ITF M25 Wesley Chapel 01/24 19:30 25 [460] Trey Hilderbrand v Nathan Ponwith [493] 2-6,1-6
Challenger Indian Wells 01/14 22:25 14 Nathan Ponwith v Patrick Brady 6-1,3-6,5-7
Challenger Yokkaichi 11/27 01:00 19 [487] Nathan Ponwith v James Trotter [388] 1-6,2-6
Challenger Yokkaichi 11/26 01:00 14 Nathan Ponwith v Kazuma Kawachi 6-7,6-4,7-5
Challenger Yokohama 11/19 07:55 14 [484] Nathan Ponwith v Colin Sinclair [361] 3-6,6-7
Challenger Champaign 11/12 19:35 14 Nathan Ponwith v Murphy Cassone 5-7,3-6
Challenger Knoxville 11/05 19:25 14 Alex Rybakov v Nathan Ponwith 6-4,6-4
ITF M25 Harlingen 10/25 13:55 25 Nathan Ponwith v Marcus McDaniel 5-7,4-6
ITF M15 Las Vegas 10/18 16:55 25 Nathan Ponwith v Sebastian Dominko 3-6,6-7
Challenger Fairfield 10/08 20:05 14 [406] Edward Winter v Nathan Ponwith [478] 6-2,6-2
Challenger Tiburon 10/01 21:25 14 [376] Evan Zhu v Nathan Ponwith [479] 4-6,6-2,7-6
Challenger Charleston 09/24 19:50 14 Pedro Rodenas v Nathan Ponwith 6-7,6-1,7-6
Challenger Columbus 09/17 19:10 14 Preston Stearns v Nathan Ponwith 6-7,6-4,6-3
Challenger Cary 09/11 17:00 19 Nathan Ponwith v Garrett Johns 6-7,2-6