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 Ke2 draw
6 Ke8 draw
7 Kf1 draw
8 Ra8 draw
9 Rc1 draw
10 Rc2 draw
11 Rc6 draw
12 Rc7 draw
13 Kc7 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rc5 loss in 2 half-moves