WJ
William Jansen
GBR · Left-handed · 21 yrs · 188 cm
model rank
—
in the world
ATP rank
#1604
current
record
24-32
ATP-level
── the model's read
How good is he, really?
William is the model's unrated. The model and the ATP broadly agree (ATP #1604). Recent form: 3‑5 over the last 52 weeks.
── surface Elo
By surface
Hard—
Clay—
Grass—
── vs the rated field
Scouting
overall Eloinsufficient data
serve ratinginsufficient data
return ratinginsufficient data
percentile across players with a current rating
── model Elo over time
Elo trajectory
Elo — not enough data
── ATP ranking over time · lower is better
Ranking trajectory
── nearest on the rating profile
Similar players
Not enough rating data to find similar players.
── year by year
Seasons
| year | W-L | win% | titles |
|---|---|---|---|
| 2026 | 0-1 | 0% | |
| 2025 | 5-7 | 42% | |
| 2024 | 7-7 | 50% | |
| 2023 | 3-7 | 30% | |
| 2022 | 9-10 | 47% |
── filter the record · shareable link
Splits
All 56 matches — pick filters to split the record, serve/return and log below.
── career · point data
Serve & return profile
Serve
aces8.3%
double faults3.5%
1st serve in63%
1st serve won66%
2nd serve won50%
serve pts won60%
hold %74%
Return
return pts won34%
break %18%
BP conversion44%
Under pressure
BP saved (serve)62%
BP saved76/123
BP conversion44%
Career aggregate over 17 matches with point data · hold/break derived from break-point outcomes.
── 56 matches