| Championnat d'Europe - Doubles Hommes | 04/30 11:30 | 3 | Jansen J R / Kaesbauer P v Ellis M / Langridge C | L | 1-2 | |
| Championnat d'Europe - Doubles Hommes | 04/29 11:20 | 4 | Flaatten/Rikheim v Jansen J R / Kaesbauer P | W | 1-2 | |
| Championnat d'Europe - Doubles Hommes | 04/27 10:30 | 1 | Matusz M / Trecki W v Jansen J R / Kaesbauer P | W | 0-2 | |
| Orleans Masters MD | 03/26 10:50 | 3 | Jansen J R / Kaesbauer P v Gutama/Isfahani | L | 0-2 | |
| Orleans Masters MD | 03/25 12:25 | 4 | Hess D / Pistorius J v Jansen J R / Kaesbauer P | W | 0-2 | |
| Orleans Masters MD | 03/24 09:00 | 5 | Eipe J / Kjaer R v Jansen J R / Kaesbauer P | - | Walkover | |
| Open d'Angleterre - Double Mixtes | 03/17 14:00 | 5 | Gideon M F / Sukamuljo K S v Jansen J R / Kaesbauer P | - | Cancelled | |
| Open de Suisse - Doubles Hommes | 03/03 16:25 | 5 | Lamsfuss/Seidel v Jansen J R / Kaesbauer P | L | 2-0 | |
| SaarLorLux Open 2019, MD | 10/31 14:30 | 2 | Jansen J R / Kaesbauer P v Lundgaard D / Thyrri M | L | 1-2 | |
| SaarLorLux Open 2019, MD | 10/30 13:10 | 3 | Sondergaard/Toft v Jansen J R / Kaesbauer P | W | 1-2 | |
| SaarLorLux Open 2019, MD | 10/29 12:00 | 4 | Jansen J R / Kaesbauer P v Datko/Scheiel | W | 2-0 | |
| SaarLorLux Open 2019, MD | 10/27 15:00 | 7 | Jansen J R / Kaesbauer P v Corvee/Lovang | W | 2-0 | |
| Denmark Open MD | 10/16 14:00 | 3 | Lane/Vendy v Jansen J R / Kaesbauer P | L | 2-0 | |
| Denmark Open MD | 10/15 10:25 | 4 | Dunn/Hall v Jansen J R / Kaesbauer P | W | 0-2 | |
| Denmark Open MD | 10/13 08:00 | 5 | Jansen J R / Kaesbauer P v Hoki/Kobayashi | - | Walkover | |
| Masters d'Espagne - Doubles Hommes | 02/20 14:15 | 4 | Lu/Yang v Jansen J R / Kaesbauer P | L | 2-1 | |
| Masters d'Espagne - Doubles Hommes | 02/18 12:40 | 5 | Jansen J R / Kaesbauer P v Maas J / Tabeling R | W | 2-1 | |
| European Team Championships MD | 02/12 17:00 | - | Jansen J R / Kaesbauer P v Dwicahyo A R / Qowimuramadhoni A | W | 2-0 | |
| Masters de Thaïlande - Doubles Hommes | 01/21 11:40 | 5 | Jansen J R / Kaesbauer P v Goh V S / Tan W K | L | 0-2 | |
| Indonesia Masters MD | 01/16 08:50 | 4 | Jansen J R / Kaesbauer P v Ong/Teo | L | 0-2 | |
| Indonesia Masters MD | 01/15 03:30 | 5 | Ho-Shue J A / Yakura N v Jansen J R / Kaesbauer P | W | 0-2 | |
| Yozu Indonesia Masters 2019, MD, Qualification | 01/14 06:50 | - | Fikri/Maulana v Jansen J R / Kaesbauer P | W | 1-2 | |
| Malaysia Masters MD | 01/08 04:30 | 5 | Han / Zhou v Jansen J R / Kaesbauer P | L | 2-1 | |
| Malaysia Masters MD Qual | 01/07 06:25 | - | Kang M H / Kim J H v Jansen J R / Kaesbauer P | W | 0-2 | |
| Italian Int. MD | 12/13 12:00 | - | Jansen J R / Kaesbauer P v Clare M / Flynn M | L | 1-2 | |
| Scottish Open MD | 11/22 16:20 | 5 | Chiang C-W / Ye H W v Jansen J R / Kaesbauer P | L | 2-0 | |
| Irish Open MD | 11/16 14:30 | 1 | Jansen J R / Kaesbauer P v Dunn/Hall | W | 2-1 | |
| Irish Open MD | 11/15 17:20 | 2 | Liao K H / Po L W v Jansen J R / Kaesbauer P | W | 0-2 | |
| Irish Open MD | 11/15 11:30 | 3 | Jansen J R / Kaesbauer P v Kolding M P / Mogensen C | W | 2-0 | |
| Irish Open MD | 11/14 21:50 | 4 | Jansen J R / Kaesbauer P v Ho / Ng | W | 2-0 |