Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| ITF - Monastir M15 | 2021/10/29 08:30 | Moerani Bouzige v Daniel Rincon | 7-6,6-0 |
| ITF - Monastir M15 | 2021/10/28 12:00 | Sean Cuenin v Daniel Rincon | 3-6,6-2,4-6 |
| ITF - Monastir M15 | 2021/10/27 17:25 | Daniel Rincon v Pierre Antoine Tailleu | 6-2,7-5 |
| Challenger Alicante | 2021/10/11 10:25 | Denis Yevseyev v Daniel Rincon | 7-5,6-2 |
| Challenger Alicante | 2021/10/10 12:55 | Daniel Rincon v Denys Molchanov | 6-4,7-5 |
| Challenger Barcelona | 2021/10/03 08:00 | Alvaro Lopez San Martin v Daniel Rincon | 4-6,7-5,6-3 |
| Challenger Murcia | 2021/09/28 11:15 | Daniel Rincon v Alex Rybakov | 3-6,2-6 |
| ITF - Melilla M15 | 2021/09/26 07:00 | Alex M Pujolras v Daniel Rincon | 6-2,6-1 |
| Challenger Napoli | 2021/10/15 11:20 | Flavio Cobolli v Lorenzo Giustino | 6-4,3-6,7-5 |
| Challenger Napoli | 2021/10/13 12:10 | Lorenzo Giustino v Andrej Martin | 6-4,5-7,7-5 |
| Challenger Napoli | 2021/10/11 14:20 | Lorenzo Giustino v Nino Serdarusic | 6-4,6-1 |
| Challenger Napoli | 2021/10/05 12:25 | Lorenzo Giustino v Riccardo Bonadio | 6-3,1-6,1-6 |
| Challenger Bukareszt | 2021/09/25 08:00 | Filip Horansky v Lorenzo Giustino | 6-3,4-6,6-2 |
| Challenger Bukareszt | 2021/09/24 08:00 | Lorenzo Giustino v Riccardo Bonadio | 6-2,6-3 |
| Challenger Bukareszt | 2021/09/22 10:45 | Lorenzo Giustino v Matteo Arnaldi | 2-6,7-5,6-4 |
| Challenger Bukareszt | 2021/09/20 10:00 | Sumit Nagal v Lorenzo Giustino | 6-3,5-7,5-7 |