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 Kb6 win in 3 half-moves
6 Rh8 win in 3 half-moves
7 Rh6 win in 5 half-moves
8 Ka6 draw
9 Rb7 draw
10 Rf7 draw
11 Rg7 draw
12 Rh3 draw
13 Rh4 draw
14 Rh5 draw
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rh2 loss in 2 half-moves