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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kc5 draw
3 Kd3 draw
4 Kd4 draw
5 Kd5 draw
6 Kf8 draw
7 Rh4 draw
8 Rh6 draw
9 Kb3 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kg7 loss in 2 half-moves
14 Kh7 loss in 2 half-moves
15 Rh1 loss in 2 half-moves
16 Rh2 loss in 2 half-moves
17 Rh3 loss in 2 half-moves
18 Rh5 loss in 2 half-moves
19 Rh7 loss in 2 half-moves