ATP · GBR · Left-handed · 188 cm · 21.6 yrs

William Jansen

Rank

#1396

Elo

1368

Serve skill

-0.110 ±2.696

Return skill

-0.085 ±2.749

Points observed

720

Hard Elo

1379

Clay Elo

1368

Grass Elo

1356

The ± bands are the rating engine's uncertainty — they widen during absences and tighten with play. We show them instead of pretending the point estimate is exact.

Season record

0-1

Grass

0-1

Career

0-6

Titles

Best rank

#1049

Rest days

Matches (14d)

Last 10 matches

Lvs Clement Chidekh · Birmingham CH · Grass6-1 6-42026-06-01

Lvs Patrick Zahraj · Nottingham 3 CH · Grass6-4 6-22025-07-07

Lvs Andres Martin · Columbus CH · Hard6-3 6-7(4) 7-52024-09-16

Lvs Alex Bolt · Surbiton CH · Grass7-6(3) 6-22024-06-03

Lvs Thai Son Kwiatkowski · Cary CH · Hard6-4 6-32023-09-11

Lvs Billy Harris · Surbiton CH · Grass7-5 6-32022-05-30

As of 2026-07-13 01:03 UTC · For informational purposes only; not betting advice.