ITF M25 Roehampton 08/21 09:00 54 William Jansen v Yujiro Onuma 6-0,6-2
ITF M25 Aldershot 08/17 11:00 25 William Jansen v Oscar Weightman 2-6,0-6
ITF M25 Nottingham 07/25 10:20 54 Julian Cash v William Jansen 7-6,6-1
ITF M25 Nottingham 07/24 10:00 54 Josef Southcombe v William Jansen 1-6,2-6
ITF M25 Roehampton 07/13 10:00 26 William Jansen v Henry Patten 1-6,4-6
ITF M25 Roehampton 07/12 09:30 25 William Jansen v Maceo Simpson 6-1,6-1
Challenger de Surbiton 05/29 11:45 14 William Jansen v Billy Harris 5-7,3-6
ITF M25 Nottingham 05/12 08:55 26 Billy Harris v William Jansen 6-3,6-1
ITF M25 Nottingham 05/10 12:15 25 William Jansen v Harry Wendelken 6-4,7-6
ITF M25 Nottingham 04/19 12:20 25 Yannick Mertens v William Jansen 6-2,5-7,7-6
ITF M25 Nottingham 04/12 09:30 25 William Jansen v Daniel Little 4-6,4-6
UK Pro League 02/26 13:30 1 William Jansen v Oscar Weightman 7-5,3-6,10-5
UK Pro League 02/24 12:15 - Alexis Canter v William Jansen 6-3,3-6,10-7
UK Pro League 02/23 14:30 - Charlie Broom v William Jansen 6-3,6-1
UK Pro League 02/22 14:00 - Julian Cash v William Jansen 6-7,7-6,10-6
UK Pro League 02/20 11:00 - Jack Gibbens v William Jansen 4-6,6-7
Wimbledon 06/22 10:00 14 Anton Matusevich v William Jansen 4-6,6-0,6-4