| Giraldilla Int. XD | 2018/09/21 15:10 | Zavadsky, Dmytro v Heino, Iikka | W | 1-2 |
| Giraldilla Int. XD | 2018/09/21 10:30 | Joshi, Bodhit v Heino, Iikka | W | 0-2 |
| Giraldilla Int. XD | 2018/09/13 10:00 | Parsons, Sam v Heino, Iikka | L | 2-0 |
| Giraldilla Int. XD | 2018/05/12 14:30 | Pablo Abian v Heino, Iikka | L | 2-0 |
| Giraldilla Int. XD | 2018/05/12 08:30 | Parsons, Sam v Heino, Iikka | W | 0-2 |
| Giraldilla Int. XD | 2018/05/11 09:00 | Heino, Iikka v Joshi, Aditya | W | 2-0 |
| Giraldilla Int. XD | 2018/04/06 07:15 | Abhishek Yeligar v Heino, Iikka | W | 1-2 |
| Giraldilla Int. XD | 2018/03/28 10:30 | Mark Caljouw v Heino, Iikka | L | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/09/20 14:00 | Dolan, Jonathan v Leon Seiwald | W | 0-2 |
| Giraldilla Int. XD | 2018/08/30 07:00 | Leon Seiwald v Janacek, Jaromir | W | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/05/10 08:00 | Leon Seiwald v Bugtrup, Sebastian | L | 1-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/03/08 11:30 | Loo, Marcus v Leon Seiwald | W | 1-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/02/21 10:40 | Peng, David v Leon Seiwald | L | 2-1 |
| Open de Suisse - Doubles Femmes - Qualif. | 2017/12/05 14:26 | Leon Seiwald v Correl, Peter | L | 1-2 |
| Indonesia Masters XD | 2017/05/22 02:20 | Ng, Zin Rei Ryan v Leon Seiwald | L | 2-1 |
| Giraldilla Int. XD | 2017/03/09 21:47 | Lidman, Douglas v Leon Seiwald | L | 2-0 |