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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kcb5 win in 3 half-moves
3 Kb4 win in 5 half-moves
4 Kcb6 win in 5 half-moves
5 Ka5 draw
6 Ka7 draw
7 Kab5 draw
8 Kab6 draw
9 Kc4 draw
10 Kc6 draw
11 Ra2 draw
12 Rb2 draw
13 Rc1 draw
14 Rc3 draw
15 Rd2 draw
16 Re2 draw
17 Kd4 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Rc4 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