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 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb8 draw
6 Kd3 draw
7 Kd4 draw
8 Kd5 draw
9 Ke3 draw
10 Kf3 draw
11 Kf4 draw
12 Ra2 draw
13 Rb2 draw
14 Rc1 draw
15 Rc3 draw
16 Rc4 draw
17 Rc5 draw
18 Rc6 draw
19 Rd2 draw
20 Rh2 draw
21 Ke5 loss in 2 half-moves
22 Kf5 loss in 2 half-moves
23 Rc7 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Re2 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rg2 loss in 2 half-moves