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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Ka6 draw
3 Kb5 draw
4 Kf7 draw
5 Kf8 draw
6 Kg7 draw
7 Kh7 draw
8 Rh5 draw
9 Rh6 draw
10 Rh7 draw
11 Ka4 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Rh1 loss in 2 half-moves
14 Rh2 loss in 2 half-moves
15 Rh3 loss in 2 half-moves
16 Rh4 loss in 2 half-moves