Stadium: Court 5 Round: 62 Ground: Clay
| ITF M15 Targu Jiu | 2023/08/13 09:00 | 비안치니 보고, 엔리크 v Krattiger, Jamie | 6-2,6-3 |
| ITF M25 Porto | 2023/07/23 12:00 | Oliveira, Francisco v Krattiger, Jamie | 6-2,6-7,10-8 |
| ITF M25 Roda de Bara | 2023/07/09 09:00 | Krattiger, Jamie v 알바라도 베로스피, 알베르토 오디세오 | 4-6,2-6 |
| ITF M25 Gurb | 2023/05/15 08:00 | 벤잘 알리아, 이그나시오 v Krattiger, Jamie | 6-2,6-1 |
| ITF M25 Valldoreix | 2023/05/07 13:30 | Marquiselli, Victorio v Krattiger, Jamie | 6-4,6-3 |
| ITF M25 Sabadell | 2023/05/01 08:00 | Krattiger, Jamie v 로스, 지아니 | 6-7,7-5,8-10 |
| ITF M25 Sabadell | 2023/04/30 07:00 | Nicolas Rafael Goldberg Alviani v Krattiger, Jamie | 6-2,2-6,6-10 |
| Canberra, Singles M-ITF-AUS-06A | 2023/03/20 00:00 | Krattiger, Jamie v Matt Hulme | 2-6,3-6 |
| ITF M25 Muttenz | 2023/08/14 12:45 | Lambert Ruland v Nico Jaeger | 6-1,6-1 |
| ITF M25 Kramsach | 2023/07/23 12:00 | Nico Jaeger v 페카크, 스테판 | 0-6,6-7 |
| ITF M25 Telfs | 2023/07/17 11:55 | 스트롬, 구스타프 v Nico Jaeger | 6-0,6-1 |
| ITF M25 Telfs | 2023/07/17 07:00 | Nico Jaeger v Davide Galvanin | 7-6,7-6 |
| ITF M25 Klosters | 2023/07/02 11:35 | Nico Jaeger v 마르티, 얀 | 4-6,0-6 |
| ITF M25 Most | 2023/05/21 10:30 | Nico Jaeger v Ondrej Horak | 5-7,4-6 |
| ITF M15 Alaminos-Larnaca | 2023/05/01 06:00 | Lucio Ratti v Nico Jaeger | 6-2,6-1 |
| ITF M15 Alaminos-Larnaca | 2023/04/30 11:00 | Nico Jaeger v Tom Sorin | 6-2,6-0 |