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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Rb8 draw
3 Rc5 draw
4 Rc6 draw
5 Rc7 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Ka7 loss in 2 half-moves
10 Rc1 loss in 2 half-moves
11 Rc2 loss in 2 half-moves
12 Rc3 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Rh8 loss in 2 half-moves
16 Kb8 loss in 1 half-moves