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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kc5 win in 3 half-moves
4 Kd3 win in 3 half-moves
5 Kb7 win in 9 half-moves
6 Kc6 win in 9 half-moves
7 Kc7 win in 9 half-moves
8 Kf3 win in 9 half-moves
9 Ra3 win in 9 half-moves
10 Rc3 win in 9 half-moves
11 Rd3 win in 9 half-moves
12 Ka6 win in 11 half-moves
13 Ka7 win in 13 half-moves
14 Rb1 draw
15 Kd2 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Kf2 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rb5 loss in 2 half-moves