Open di Svizzera DX 03/22 17:20 5 Jansen/Efler v Ferdinansyah/Emanuelle Widjaja W 2-1
All England Open DX 03/17 15:20 4 Gicquel/Delrue v Jansen/Efler L 2-1
All England Open DX 03/16 19:40 5 Leydon-Davis/Pak v Jansen/Efler W 0-2
Open di Germania DX 03/10 14:00 4 Puavaranukroh/Taerattanachai v Jansen/Efler L 2-0
Open di Germania DX 03/08 09:00 5 Efler/Jansen v Zheng/Zhang W 2-0
Open d'Ucraina DX 01/30 15:00 - Volker/Kuespert v Jansen/Efler W 0-2
Open d'Ucraina DX 01/30 08:00 - Jansen/Efler v Chiu/Gai W 2-0
Open d'Ucraina DX 01/29 15:00 - Leontyev/Lysenko v Jansen/Efler W 0-2
Open d'Ucraina DX 01/29 07:00 - Datko/Michalski v Jansen/Efler W 0-2
Open d'Indonesia DX 11/25 06:20 - Chan/Goh v Jansen/Efler L 2-0
Open d'Indonesia DX 11/23 08:40 - Prasad/Dewangan v Jansen/Efler W 0-2
Masters d'Indonesia DX 11/18 01:00 - Jansen/Efler v Hoo/Cheah L 0-2
Masters d'Indonesia DX 11/16 01:20 5 Chan/Goh v Jansen/Efler W 0-2
Hylo Open DX 11/03 11:25 5 Jansen/Efler v Ellis/Smith L 0-2
Open di Francia DX 10/27 10:15 5 Puavaranukroh/Taerattanachai v Jansen/Efler L 2-0