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 K7d8 win in 3 half-moves
4 K8b7 win in 3 half-moves
5 K8b8 win in 3 half-moves
6 Rh6 win in 5 half-moves
7 K7d7 draw
8 K8d7 draw
9 K8d8 draw
10 Rg7 draw
11 Rh1 draw
12 Rh5 draw
13 Rh8 draw
14 Kb6 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rh2 loss in 2 half-moves
21 Rh3 loss in 2 half-moves
22 Rh4 loss in 2 half-moves