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

EGTB: win in 4 half-moves

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