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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 K7b6 win in 7 half-moves
3 Kb8 win in 7 half-moves
4 K6b6 draw
5 Ka5 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Rg8 draw
10 Rh8 draw
11 K6b7 loss in 1 half-moves
12 K7b7 loss in 1 half-moves
13 Kb5 loss in 1 half-moves
14 Rc8 loss in 1 half-moves