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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rg8 win in 5 half-moves
3 K7b8 draw
4 K8b8 draw
5 Ka6 draw
6 Rc7 draw
7 Rg1 draw
8 Rg2 draw
9 Rg3 draw
10 Rh7 draw
11 K7b7 loss in 2 half-moves
12 K8b7 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg6 loss in 2 half-moves