| ITF USA F19 | 06/22 16:00 | 26 | Austin Krajicek v Deiton Baughman | 7-5,6-4 | |
| ITF USA F19 | 06/20 15:25 | 25 | Austin Krajicek v Gianni Ross | 6-1,6-3 | |
| Challenger Busan | 05/19 02:00 | 27 | [291] Austin Krajicek v Dudi Sela [112] | 4-6,2-6 | |
| Challenger Busan | 05/17 05:10 | 26 | [291] Austin Krajicek v Brydan Klein [213] | 6-4,6-2 | |
| Challenger Busan | 05/16 03:50 | 25 | [126] Ruben Bemelmans v Austin Krajicek [291] | 3-6,3-6 | |
| Challenger Busan Qual | 05/15 03:35 | 54 | [291] Austin Krajicek v Daniel Nguyen [392] | 6-1,6-3 | |
| Challenger Busan Qual | 05/14 03:10 | 46 | [311] Austin Krajicek v Frederik Nielsen [207] | 6-3,6-2 | |
| Challenger Seoul | 05/11 02:00 | 26 | [311] Austin Krajicek v Alexander Sarkissian [308] | 1-6,2-6 | |
| Challenger Seoul | 05/10 01:30 | 25 | Austin Krajicek v Seong Chan Hong | 7-6,6-3 | |
| Challenger Seoul Qual | 05/08 03:30 | 54 | [329] Lucas Miedler v Austin Krajicek [313] | 6-7,3-6 | |
| Challenger Seoul Qual | 05/07 03:35 | 46 | [333] Edward Corrie v Austin Krajicek [313] | 2-6,4-6 | |
| Challenger Seoul Qual | 05/06 02:40 | 45 | Ki-Su Jung v Austin Krajicek | 1-6,2-6 | |
| Challenger Gimcheon | 05/02 04:20 | 25 | [141] Go Soeda v Austin Krajicek [313] | 7-6,6-2 | |
| Challenger Gimcheon Qual | 05/01 02:00 | 54 | [313] Austin Krajicek v Lloyd Glasspool [435] | 6-4,5-7,6-4 | |
| Challenger Gimcheon Qual | 04/30 03:50 | 46 | [313] Austin Krajicek v Felix Auger Aliassime [356] | 4-6,7-6,7-6 | |
| Challenger Gimcheon Qual | 04/29 06:05 | 45 | [313] Austin Krajicek v Edward Corrie [337] | 2-6,6-2,7-6 | |
| Challenger Anning Qual | 04/23 06:30 | 46 | [67] Philipp Oswald v Austin Krajicek [313] | 6-3,6-4 | |
| Challenger Leon Qual | 03/28 00:05 | 46 | [323] Austin Krajicek v Yannick Hanfmann [289] | 3-6,5-7 | |
| Challenger Leon Qual | 03/27 18:50 | 45 | [323] Austin Krajicek v Eduardo Struvay [478] | 6-1,6-7,6-2 | |
| Challenger Guadalajara | 03/21 23:10 | 25 | [191] Mitchell Krueger v Austin Krajicek [323] | 7-6,6-3 | |
| Challenger Guadalajara Qual | 03/20 18:00 | 54 | [500] Roberto Cid Subervi v Austin Krajicek [323] | 6-7,3-6 | |
| Challenger Guadalajara Qual | 03/19 22:35 | 46 | Felipe Mantilla v Austin Krajicek | 3-6,6-7 | |
| Challenger Guadalajara Qual | 03/19 16:00 | 45 | Jorge E G Aramburu v Austin Krajicek | 1-6,1-6 | |
| Challenger Drummondville Qual | 03/13 16:20 | 46 | [306] Austin Krajicek v Matthias Bachinger [410] | 1-6,6-7 | |
| Challenger Drummondville Qual | 03/12 17:10 | 45 | Austin Krajicek v Jarryd Chaplin | 6-3,6-3 | |
| Challenger Morelos | 02/24 18:00 | 28 | Nicolas Jarry v Austin Krajicek | 6-4,6-4 | |
| Challenger Morelos | 02/23 16:00 | 27 | Austin Krajicek v Ivan Endara | 6-3,6-4 | |
| Challenger Morelos | 02/22 18:15 | 26 | Austin Krajicek v Adam El Mihdawy | Retired | |
| Challenger Morelos | 02/21 18:00 | 25 | Dennis Novikov v Austin Krajicek | 4-6,7-6,2-6 | |
| Challenger Tempe | 02/14 20:15 | 25 | Austin Krajicek v Daniel Elahi Galan | 2-6,7-6,3-6 |