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

EGTB: win in 8 half-moves

# move score
1 Kb4 win in 7 half-moves
2 Kb6 draw
3 Kd1 draw
4 Kd2 draw
5 Kd3 draw
6 Ke1 draw
7 Ke3 draw
8 Kf1 draw
9 Kf2 draw
10 Kf3 draw
11 Rb1 draw
12 Rb2 draw
13 Rb4 draw
14 Rg3 draw
15 Ka4 loss in 2 half-moves
16 Ka5 loss in 2 half-moves
17 Ka6 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Kc5 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rh3 loss in 2 half-moves