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 Ka4 draw
3 Ka6 draw
4 Kb5 draw
5 Kb6 draw
6 Kd1 draw
7 Kd2 draw
8 Kd3 draw
9 Ke1 draw
10 Kf1 draw
11 Kf2 draw
12 Ra7 draw
13 Rb7 draw
14 Rc1 draw
15 Rc2 draw
16 Rc3 draw
17 Rc8 draw
18 Rd7 draw
19 Re7 draw
20 Ke3 loss in 2 half-moves
21 Kf3 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rc6 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves