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 Rd6 win in 1 half-moves
3 Re6 win in 1 half-moves
4 Rf6 win in 1 half-moves
5 Rg6 win in 1 half-moves
6 Rh6 win in 1 half-moves
7 Kb6 loss in 2 half-moves
8 Kc4 loss in 2 half-moves
9 Kd4 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Kb4 loss in 1 half-moves
12 Kb5 loss in 1 half-moves
13 Kd5 loss in 1 half-moves
14 Ra6 loss in 1 half-moves
15 Rc7 loss in 1 half-moves
16 Rc8 loss in 1 half-moves