The new Women's Super League marks the start of a new era for reigning champions Chelsea, with long-serving boss Emma Hayes having departed in summer to start a new adventure with the USA Women's team.
Last year they just about did enough to claim the title on goal difference ahead of Manchester City, while Arsenal will again hope to make it a three-horse race for the WSL title. Meanwhile Liverpool, Manchester United and Tottenham will hope to progress after further rebuilding this summer.
Crystal Palace were promoted to replace Bristol City in the top flight, while on a wider note, the league is now under the management and operation of a new organisation set up to lead women's football towards further growth and progression, with Nikki Doucet overseeing both the WSL and Championship in a new phase for the game.
Follow the live action below as West Ham United face Arsenal today in the WSL:
West Ham United LFC 0 - 0 Arsenal WFC
West Ham United vs Arsenal
16:10
Emily Fox (Arsenal Women) wins a free kick on the right wing.
West Ham United vs Arsenal
16:10
Viviane Asseyi (West Ham United Women) wins a free kick in the defensive half.
West Ham United vs Arsenal
16:05
Attempt missed. Viviane Asseyi (West Ham United Women) right footed shot from the centre of the box.
West Ham United vs Arsenal
16:04
Offside, Arsenal Women. Alessia Russo is caught offside.
West Ham United vs Arsenal
16:03
Second Half begins West Ham United Women 0, Arsenal Women 0.
West Ham United vs Arsenal
15:47
First Half ends, West Ham United Women 0, Arsenal Women 0.
West Ham United vs Arsenal
15:47
Corner, Arsenal Women. Conceded by Amber Tysiak.
West Ham United vs Arsenal
15:47
Fourth official has announced 1 minutes of added time.
West Ham United vs Arsenal
15:46
Offside, Arsenal Women. Frida Maanum is caught offside.
West Ham United vs Arsenal
15:45
Corner, West Ham United Women. Conceded by Emily Fox.
West Ham United vs Arsenal
15:42
Attempt saved. Lia Wälti (Arsenal Women) left footed shot from outside the box is saved in the bottom right corner. Assisted by Mariona Caldentey.
West Ham United vs Arsenal
15:41
Viviane Asseyi (West Ham United Women) is shown the yellow card.
West Ham United vs Arsenal
15:40
Corner, Arsenal Women. Conceded by Li Mengwen.
West Ham United vs Arsenal
15:35
Foul by Steph Catley (Arsenal Women).
West Ham United vs Arsenal
15:32
Attempt missed. Katrina Gorry (West Ham United Women) right footed shot from outside the box is close, but misses the top right corner following a corner.
West Ham United vs Arsenal
15:32
Corner, West Ham United Women. Conceded by Laia Codina.
West Ham United vs Arsenal
15:30
Foul by Lia Wälti (Arsenal Women).
West Ham United vs Arsenal
15:29
Offside, Arsenal Women. Caitlin Foord is caught offside.
West Ham United vs Arsenal
15:27
Attempt saved. Alessia Russo (Arsenal Women) header from the centre of the box is saved.
West Ham United vs Arsenal
15:26
Katie McCabe (Arsenal Women) wins a free kick in the defensive half.
West Ham United vs Arsenal
15:27
Foul by Seraina Piubel (West Ham United Women).
West Ham United vs Arsenal
15:24
Corner, Arsenal Women. Conceded by Shannon Cooke.
West Ham United vs Arsenal
15:24
Attempt saved. Emily Fox (Arsenal Women) right footed shot from a difficult angle on the right is saved in the centre of the goal. Assisted by Mariona Caldentey.
West Ham United vs Arsenal
15:21
Attempt missed. Alessia Russo (Arsenal Women) right footed shot from the right side of the box.
West Ham United vs Arsenal
15:20
Offside, West Ham United Women. Riko Ueki is caught offside.
West Ham United vs Arsenal
15:19
Attempt blocked. Viviane Asseyi (West Ham United Women) right footed shot from outside the box is blocked. Assisted by Seraina Piubel.
West Ham United vs Arsenal
15:17
Corner, Arsenal Women. Conceded by Li Mengwen.
West Ham United vs Arsenal
15:15
Riko Ueki (West Ham United Women) wins a free kick in the defensive half.
West Ham United vs Arsenal
15:15
Foul by Lia Wälti (Arsenal Women).
West Ham United vs Arsenal
15:13
Emily Fox (Arsenal Women) wins a free kick on the right wing.
West Ham United vs Arsenal
15:13
Attempt missed. Frida Maanum (Arsenal Women) right footed shot from the left side of the box is too high. Assisted by Mariona Caldentey.
West Ham United vs Arsenal
15:13
Foul by Viviane Asseyi (West Ham United Women).
West Ham United vs Arsenal
15:42
Attempt blocked. Caitlin Foord (Arsenal Women) right footed shot from the centre of the box is blocked. Assisted by Katie McCabe with a cross.
West Ham United vs Arsenal
15:08
Corner, Arsenal Women. Conceded by Anouk Denton.
West Ham United vs Arsenal
15:07
Offside, Arsenal Women. Laia Codina is caught offside.
West Ham United vs Arsenal
15:04
Attempt missed. Viviane Asseyi (West Ham United Women) right footed shot from outside the box from a direct free kick.
West Ham United vs Arsenal
15:03
Viviane Asseyi (West Ham United Women) wins a free kick in the attacking half.
West Ham United vs Arsenal
15:02
Riko Ueki (West Ham United Women) wins a free kick in the defensive half.
West Ham United vs Arsenal
15:02
Foul by Viviane Asseyi (West Ham United Women).
West Ham United vs Arsenal
15:01
First Half begins.
West Ham United vs Arsenal
14:30
Lineups are announced and players are warming up.
West Ham United vs Arsenal
13:00
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