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

EGTB: win in 2 half-moves

# move score
1 Rc6 win in 1 half-moves
2 Rd6 win in 1 half-moves
3 Re6 win in 1 half-moves
4 Rg6 win in 1 half-moves
5 Rb1 loss in 6 half-moves
6 Rb2 loss in 6 half-moves
7 Rb8 loss in 6 half-moves
8 Kc7 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rh6 loss in 2 half-moves