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 Ka7 draw
3 Kb8 draw
4 Kc3 draw
5 Kc4 draw
6 Kc5 draw
7 Kd3 draw
8 Kd5 draw
9 Ra3 draw
10 Rb1 draw
11 Rb2 draw
12 Rb4 draw
13 Rb7 draw
14 Rb8 draw
15 Rc3 draw
16 Rd3 draw
17 Re3 draw
18 Rf3 draw
19 Ke3 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rh3 loss in 2 half-moves