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