West Ham goalscorer Shekiera MartinezGetty Images
Elizabeth Botcherby
BBC Sport journalist
West Ham became just the third team to take points off Chelsea in the Women's Super League this season, Shekiera Martinez scoring a late equaliser to rescue a 2-2 draw.
Chelsea appeared to be cruising towards their 17th win of the campaign after scoring twice in the opening 21 minutes.
However, Martinez's 42nd-minute strike dragged West Ham back into the game, before the Blues were left to rue their own missed opportunities in front of goal when the German forward levelled deep in stoppage time.
The draw cuts Chelsea's lead at the top of the WSL to six points, but Sonia Bompastor's side remain unbeaten and on course for the title, while West Ham move up to seventh.
Chelsea flew out of the blocks at Kingsmeadow, having five shots in the opening 10 minutes before Maika Hamano made the breakthrough, volleying home on the turn after Ashley Lawrence headed a cross back across the box.
Aggie Beever-Jones doubled their lead five minutes later, linking up with Sjoeke Nusken and Catarina Macario before guiding the ball beyond Kinga Szemik with the outside of her boot.
Chelsea could have added several more, with Macario, Erin Cuthbert - who saw a long-range effort hit the bar - and Nusken all going close.
Martinez pulled a goal back for West Ham on the stroke of half-time, hammering home from inside the box after being picked out by Riko Ueki.
The visitors grew into the game in the second period, with Hannah Hampton forced into a couple of sharp saves before Martinez headed back across the goal to rescue a deserved point for West Ham.
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Player of the match
S. Martinez
8.33
Chelsea
West Ham United
33A. Beever-Jones
6.15
22L. Bronze
6.10
30K. Walsh
5.90
8E. Cuthbert
5.80
14N. Björn
5.65
24H. Hampton
5.49
23M. Hamano
5.48
21N. Charles
5.35
4M. Bright
5.31
18W. Kaptein
5.22
27O. Jean-François
5.12
9C. Macário
5.11
6S. Nüsken
5.07
10L. James
4.80
12A. Lawrence
4.79
2M. Fishel
4.44
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19S. Martinez
8.33
20V. Asseyi
7.49
18A. Denton
7.47
29V. Hanshaw
7.46
5A. Tysiak
7.44
26Li Mengwen
7.43
22K. Gorry
7.34
9R. Ueki
7.34
14S. Zadorsky
7.31
4O. Siren
7.26
1K. Szemik
7.11
77S. Piubel
7.00
10D. Brynjarsdóttir
6.94
2K. Smith
6.90
11M. Paví
6.74
13E. Nyström
6.72
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