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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Kf5 draw
3 Kf6 draw
4 Kg2 draw
5 Kg3 draw
6 Kg4 draw
7 Kg5 draw
8 Kg7 draw
9 Kh2 draw
10 Kh4 draw
11 Kh5 draw
12 Kh6 draw
13 Kh7 draw
14 Ra1 draw
15 Ra2 draw
16 Ra3 draw
17 Ra8 draw
18 Re4 draw
19 Rf4 draw
20 Rg4 draw
21 Kf7 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rc4 loss in 2 half-moves
27 Rd4 loss in 2 half-moves