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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Kd7 draw
6 Kd8 draw
7 Ke7 draw
8 Kf7 draw
9 Kf8 draw
10 Ra3 draw
11 Ra5 draw
12 Ra6 draw
13 Rg4 draw
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves