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 Kc7 draw
3 Kd1 draw
4 Kd2 draw
5 Kd6 draw
6 Kd8 draw
7 Ke2 draw
8 Ke6 draw
9 Ke7 draw
10 Ke8 draw
11 Ra8 draw
12 Rc1 draw
13 Rc4 draw
14 Rc5 draw
15 Rc6 draw
16 Rc7 draw
17 Rd8 draw
18 Re8 draw
19 Kc6 loss in 2 half-moves
20 Kf1 loss in 2 half-moves
21 Kf2 loss in 2 half-moves
22 Rc2 loss in 2 half-moves
23 Rc3 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh8 loss in 2 half-moves