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

EGTB: win in 6 half-moves

# move score
1 Rb8 win in 5 half-moves
2 Kd8 win in 13 half-moves
3 Kb4 draw
4 Kb5 draw
5 Kb6 draw
6 Kc4 draw
7 Kc6 draw
8 Kf8 draw
9 Ra8 draw
10 Rc7 draw
11 Kd4 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rd8 loss in 2 half-moves