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 Rg8 win in 3 half-moves
6 Rb7 win in 5 half-moves
7 Rg6 win in 5 half-moves
8 Rf7 draw
9 Rg1 draw
10 Rg5 draw
11 Rh7 draw
12 Ka6 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg4 loss in 2 half-moves