Boxers / Sonny Bill Williams / Boxerbook rating

Sonny Bill Williams: Boxerbook rating

Sonny Bill Williams has a Boxerbook rating of 1660 ± 193 from 11 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since Jul 2025 (no bout for 12 months).

Rating1660 ± 193
Placenot listed
Counted bouts11
Unknown opponents7 of 11
Schedule, career1311
Schedule, 36 months1746
Form, last 51.6 of 3.5
Data confidence27%
Statusinactive since Jul 2025

Rating over time

high 1945 · low 1555May 2009Oct 2026

μ at the end of each month with a bout, and of every month while active. Red dot: latest.

Bouts behind the rating

Every counted bout, newest first: the change in μ it caused (green up, red down), its weight and the rating after it. Unknown opponents: 7 of 11 bouts.

L
Paul Gallen
Jul 16, 2025 · SD 8/8 · weight ×1.00 · opponent 1746
−90
→ 1660
L
Mark Hunt
Nov 5, 2022 · TKO 4/8 · weight ×1.00 · opponent 1435
−194
→ 1750
W
Barry Hall (no page: counted as 1100)
Mar 23, 2022 · TKO 1/8 · weight ×1.00
+7
→ 1945
W
Waikato Falefehi (no page: counted as 1100)
Jun 26, 2021 · UD 6/6 · weight ×0.90
+6
→ 1938
W
Chauncy Welliver
Jan 31, 2015 · UD 8/8 · weight ×1.00 · opponent 1713
+60
→ 1932
W
Francois Botha
Won vacant WBA International heavyweight title
Feb 8, 2013 · UD 10/10 · weight ×1.10 · opponent 1830
+184
→ 1872
W
Clarence Tillman (no page: counted as 1100)
Won vacant NZPBA heavyweight title
Feb 8, 2012 · TKO 1/10 · weight ×1.10
+29
→ 1688
W
Alipate Liava'a (no page: counted as 1100)
Jun 5, 2011 · UD 6/6 · weight ×0.90
+29
→ 1659
W
Scott Lewis (no page: counted as 1100)
Jan 29, 2011 · UD 6/6 · weight ×0.90
+35
→ 1631
W
Ryan Hogan (no page: counted as 1100)
Jun 30, 2010 · TKO 1/4 · weight ×0.80
+41
→ 1596
W
Gary Gurr (no page: counted as 1100)
May 27, 2009 · TKO 2/4 · weight ×0.80
+55
→ 1555

Publishers and Boxerbook

Consensus: no publisher lists for the division (a list without them counts as 16).

WBC
not in top 15
WBA
not in top 15
IBF
not in top 15
WBO
not in top 15
Ring
not in top 15
TBRB
not in top 15
Boxerbook
not listed

How the Boxerbook rating works · Sonny Bill Williams: record and titles