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 Kd8 draw
4 Ke7 draw
5 Kf7 draw
6 Kf8 draw
7 Ra8 draw
8 Rc2 draw
9 Rc4 draw
10 Rc5 draw
11 Rc6 draw
12 Rc7 draw
13 Rd8 draw
14 Rc1 loss in 2 half-moves
15 Rc3 loss in 1 half-moves