| Giraldilla Int. XD | 2018/11/03 17:00 | Ellis/Smith v Seidel / Efler | L | 2-0 |
| Canada Open XD | 2018/06/23 21:00 | Ellis/Smith v Seidel / Efler | L | 2-0 |
| Indonesia Masters XD | 2018/04/27 17:30 | Seidel / Efler v Ellis/Smith | L | 0-2 |
| Indonesia Masters XD | 2018/03/06 17:30 | Seidel / Efler v Ellis/Smith | L | 0-2 |
| Open de Suisse - Doubles Mixtes | 2018/02/23 17:40 | Ellis/Smith v Seidel / Efler | L | 2-0 |
| US Open 2019, XD | 2019/07/13 00:50 | Yang/Hu v Seidel / Efler | L | 2-1 |
| US Open 2019, XD | 2019/07/11 21:25 | Lee/Yang v Seidel / Efler | W | 1-2 |
| US Open 2019, XD | 2019/07/10 00:40 | Pongnairat/Gozali v Seidel / Efler | W | 1-2 |
| Azerbaïdjan Int. - Double Mixtes | 2019/06/09 06:00 | Delrue/Gicquel v Seidel / Efler | L | 2-1 |
| Sudirman Cup XD | 2019/05/19 12:00 | Seidel / Efler v Bar Netzer/Polikarpova | W | 2-0 |
| New Zealand Open 2019, XD | 2019/04/30 03:20 | Chang T C / Ng W Y v Seidel / Efler | L | 2-1 |
| Open de Suisse - Doubles Mixtes | 2019/03/14 11:00 | Lee Y / Lu C Y v Seidel / Efler | L | 2-1 |
| Open de Suisse - Doubles Mixtes | 2019/03/12 18:30 | Jille / Van Der Aar v Seidel / Efler | W | 1-2 |
| European Games XD | 2019/06/30 09:00 | Adcock C / Adcock G v Ellis/Smith | W | 0-2 |
| European Games XD | 2019/06/29 07:50 | Delrue/Gicquel v Ellis/Smith | W | 0-2 |
| European Games XD | 2019/06/28 08:40 | Lamsfuss M / Herttrich I v Ellis/Smith | W | 0-2 |
| Sudirman Cup XD | 2019/05/20 10:00 | Christiansen M / Thygesen S v Ellis/Smith | W | 1-2 |
| Open de Malaisie - Doubles Mixtes | 2019/04/05 07:40 | Puavaranukroh/Taerattanachai v Ellis/Smith | L | 2-0 |
| Open de Malaisie - Doubles Mixtes | 2019/04/04 06:10 | Ou / Feng v Ellis/Smith | W | 0-2 |
| Open de Malaisie - Doubles Mixtes | 2019/04/02 11:00 | Chen T J / Peck Y W v Ellis/Smith | W | 0-2 |
| Orléans Masters - Doubles Mixtes | 2019/03/21 11:00 | Ellis/Smith v Labar R / Tran A | L | 0-2 |