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 draw
3 Kh8 draw
4 Ra8 draw
5 Rc6 draw
6 Rc7 draw
7 Rd8 draw
8 Re8 draw
9 Rf8 draw
10 Rh8 draw
11 Kg6 loss in 12 half-moves
12 Kg8 loss in 8 half-moves
13 Kh6 loss in 8 half-moves
14 Rc5 loss in 4 half-moves
15 Rc1 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rc2 loss in 1 half-moves