Stadium: Court 6 Round: 27 Ground: Clay
| ITF M15 Xativa | 2023/08/03 16:30 | 니부어, 리얀 v Alejandro T Alvarez | 6-1,6-3 |
| ITF M15 Xativa | 2023/08/01 15:30 | 니부어, 리얀 v Toprak Avcibasi | 7-6,6-7,6-4 |
| ITF M25 Denia | 2023/07/26 16:25 | 페레즈 콘트리, 세르지 v 니부어, 리얀 | 6-4,6-3 |
| Challenger Amersfoort | 2023/07/17 10:55 | 비스커, 니엘스 v 니부어, 리얀 | 7-6,3-6,7-5 |
| Challenger Amersfoort | 2023/07/16 14:55 | 니부어, 리얀 v Yanaki Milev | 6-0,6-3 |
| ITF M25 Kassel | 2023/07/13 14:25 | 니부어, 리얀 v 파울슨, 안드루 | 6-7,4-6 |
| ITF M25 Kassel | 2023/07/11 14:45 | 니부어, 리얀 v Bielinskyi, Viacheslav | 6-2,6-2 |
| ITF M25 The Hague | 2023/07/07 16:30 | Guy Den Ouden v 니부어, 리얀 | 6-1,6-2 |
| ITF M15 Xativa | 2023/08/03 15:00 | Fnu Nidunjianzan v Sergio Callejon Hernando | 3-6,3-6 |
| ITF M15 Xativa | 2023/08/02 20:25 | Sergio Callejon Hernando v Martinez Martinez, Jorge | 6-3,6-1 |
| ITF M15 Xativa | 2023/08/01 08:45 | 몰리노, 자비엘 v Sergio Callejon Hernando | 7-6,5-7,2-10 |
| ITF M15 Xativa | 2023/07/31 15:00 | Alemany, Pablo v Sergio Callejon Hernando | 4-6,2-6 |
| ITF M15 Xativa | 2023/07/30 15:00 | Felix Mischker v Sergio Callejon Hernando | 6-7,1-6 |
| ITF M25 Denia | 2023/07/24 09:00 | Sergio Callejon Hernando v 몰리노, 자비엘 | 5-7,7-6,7-10 |
| ITF M25 Denia | 2023/07/23 08:00 | Samuel Kyjaci v Sergio Callejon Hernando | 1-6,0-6 |
| ITF M25 Bakio | 2023/06/25 13:40 | Marc Saura Moragrega v Sergio Callejon Hernando | 6-4,6-4 |