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

EGTB: win in 4 half-moves

# move score
1 K7b7 win in 3 half-moves
2 K7b8 win in 3 half-moves
3 K8b7 win in 3 half-moves
4 K8b8 win in 3 half-moves
5 K8d7 win in 3 half-moves
6 Rd8 win in 3 half-moves
7 Rh6 win in 5 half-moves
8 K7d7 draw
9 K7d8 draw
10 K8d8 draw
11 Kc6 draw
12 Kd6 draw
13 Rh4 draw
14 Rh5 draw
15 Rh7 draw
16 Kb6 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh3 loss in 2 half-moves