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 Kg8 draw
3 Kh6 draw
4 Kh7 draw
5 Ra8 draw
6 Rc1 draw
7 Rc2 draw
8 Rc3 draw
9 Rc7 draw
10 Kg4 loss in 2 half-moves
11 Kg5 loss in 2 half-moves
12 Kg6 loss in 2 half-moves
13 Kg7 loss in 2 half-moves
14 Kh4 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves