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 Kd1 draw
3 Kd2 draw
4 Ke2 draw
5 Kf1 draw
6 Kg7 draw
7 Kg8 draw
8 Kh7 draw
9 Ra8 draw
10 Rc1 draw
11 Rc2 draw
12 Rc7 draw
13 Rd8 draw
14 Re8 draw
15 Rf8 draw
16 Kf2 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rg8 loss in 2 half-moves