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 Kd7 draw
5 Kd8 draw
6 Ke2 draw
7 Ke7 draw
8 Kf1 draw
9 Kf2 draw
10 Ra8 draw
11 Rc1 draw
12 Rc2 draw
13 Rc3 draw
14 Rc4 draw
15 Rd8 draw
16 Kf7 loss in 2 half-moves
17 Kf8 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves