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 Kd8 draw
3 Kf7 draw
4 Rc2 draw
5 Kd7 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Kg3 loss in 2 half-moves
8 Kg4 loss in 2 half-moves
9 Kg5 loss in 2 half-moves
10 Kh3 loss in 2 half-moves
11 Kh5 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rc3 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 Rc7 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Kf8 loss in 1 half-moves