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 Ka6 draw
3 Ka7 draw
4 Ka8 draw
5 Kb3 draw
6 Kb6 draw
7 Kb8 draw
8 Kc2 draw
9 Kc4 draw
10 Kc6 draw
11 Kc7 draw
12 Kc8 draw
13 Kd2 draw
14 Kd3 draw
15 Rd3 draw
16 Rh1 draw
17 Rh2 draw
18 Rh4 draw
19 Rh8 draw
20 Kb2 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rh5 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Rh7 loss in 2 half-moves