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 Kg7 loss in 8 half-moves
3 Kh7 loss in 8 half-moves
4 Kg8 loss in 4 half-moves
5 Rc6 loss in 4 half-moves
6 Rc7 loss in 4 half-moves
7 Rd8 loss in 4 half-moves
8 Ra8 loss in 2 half-moves
9 Rc1 loss in 2 half-moves
10 Rc3 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rc5 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rc2 loss in 1 half-moves