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 Kd7 draw
3 Ke7 draw
4 Rc6 draw
5 Kc7 loss in 2 half-moves
6 Ke8 loss in 2 half-moves
7 Kf2 loss in 2 half-moves
8 Kf3 loss in 2 half-moves
9 Kf4 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Kg4 loss in 2 half-moves
12 Kh2 loss in 2 half-moves
13 Kh3 loss in 2 half-moves
14 Kh4 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rc7 loss in 2 half-moves