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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kd1 win in 3 half-moves
3 Kd2 win in 3 half-moves
4 Kd3 win in 3 half-moves
5 Kc4 win in 9 half-moves
6 Kc5 win in 13 half-moves
7 Ka4 draw
8 Ka5 draw
9 Ka6 draw
10 Kb6 draw
11 Kc6 draw
12 Ke1 draw
13 Kf1 draw
14 Kf2 draw
15 Ra2 draw
16 Rb2 draw
17 Rc1 draw
18 Rc3 draw
19 Rc8 draw
20 Rd2 draw
21 Ke3 loss in 2 half-moves
22 Kf3 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rc5 loss in 2 half-moves
25 Rc6 loss in 2 half-moves
26 Rc7 loss in 2 half-moves