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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Rd8 win in 1 half-moves
3 Kc5 win in 3 half-moves
4 Kc6 win in 5 half-moves
5 Kc4 loss in 2 half-moves
6 Kd4 loss in 2 half-moves
7 Kd7 loss in 2 half-moves
8 Kde5 loss in 2 half-moves
9 Ke4 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Kee5 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rd7 loss in 2 half-moves