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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Kb1 win in 5 half-moves
3 Rb1 win in 5 half-moves
4 Kd1 win in 7 half-moves
5 Kd2 win in 7 half-moves
6 Kd3 win in 7 half-moves
7 Kc2 win in 9 half-moves
8 Kd4 win in 9 half-moves
9 Kd5 win in 11 half-moves
10 Ke3 draw
11 Ke5 draw
12 Ra4 draw
13 Ra8 draw
14 Kf3 loss in 2 half-moves
15 Kf4 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves