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 Kc1 win in 5 half-moves
3 Kc5 win in 5 half-moves
4 Kb6 draw
5 Kb7 draw
6 Kc7 draw
7 Kd2 draw
8 Kd5 draw
9 Kd6 draw
10 Kd7 draw
11 Ke1 draw
12 Ke2 draw
13 Ra2 draw
14 Rb2 draw
15 Rc1 draw
16 Rc3 draw
17 Rd2 draw
18 Re2 draw
19 Rc4 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rh2 loss in 2 half-moves