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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Rb4 win in 3 half-moves
4 Kd4 win in 7 half-moves
5 Ka5 win in 15 half-moves
6 Ka7 draw
7 Kb7 draw
8 Ra1 draw
9 Ra2 draw
10 Ra3 draw
11 Rc4 draw
12 Rd4 draw
13 Kd3 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Kf4 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Ra5 loss in 2 half-moves