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

EGTB: win in 10 half-moves

# move score
1 K8b7 win in 9 half-moves
2 K7b7 draw
3 K7b8 draw
4 K8b8 draw
5 Ka6 draw
6 Rb8 draw
7 Rf8 draw
8 Rg2 draw
9 Rg6 draw
10 Rg7 draw
11 Rh8 draw
12 Kb6 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves