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 Kc4 draw
3 Kd4 draw
4 Kd5 draw
5 Ke1 draw
6 Ke2 draw
7 Ke3 draw
8 Kf1 draw
9 Kf3 draw
10 Kg1 draw
11 Kg2 draw
12 Kg3 draw
13 Rg2 draw
14 Rh1 draw
15 Rh3 draw
16 Rh4 draw
17 Rh5 draw
18 Kb5 loss in 2 half-moves
19 Kb6 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves
23 Rh7 loss in 2 half-moves
24 Rh8 loss in 2 half-moves