Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ke3 draw
3 Ke5 draw
4 Kf3 draw
5 Kf5 draw
6 Kg3 draw
7 Kg4 draw
8 Kg5 draw
9 Ra4 draw
10 Rd4 draw
11 Re1 draw
12 Re3 draw
13 Re5 draw
14 Re6 draw
15 Rc4 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Re8 loss in 2 half-moves