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

EGTB: win in 4 half-moves

# move score
1 Re4 win in 3 half-moves
2 Kf4 draw
3 Kf5 draw
4 Kg5 draw
5 Kh3 draw
6 Kh4 draw
7 Kh5 draw
8 Ra5 draw
9 Ra6 draw
10 Ra7 draw
11 Ra8 draw
12 Rb4 draw
13 Rc4 draw
14 Rd4 draw
15 Ra3 loss in 4 half-moves
16 Kf3 loss in 2 half-moves
17 Kg3 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rf4 loss in 2 half-moves