Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Kd5 draw
3 Kd6 draw
4 Ke6 draw
5 Kf5 draw
6 Kf6 draw
7 Ra5 draw
8 Rc6 draw
9 Rc7 draw
10 Rc8 loss in 6 half-moves
11 Kd4 loss in 2 half-moves
12 Ke4 loss in 2 half-moves
13 Kf4 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd5 loss in 2 half-moves