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

EGTB: win in 2 half-moves

# move score
1 Rc1 win in 1 half-moves
2 Kb4 loss in 14 half-moves
3 Ra7 loss in 14 half-moves
4 Rc6 loss in 14 half-moves
5 Kb6 loss in 12 half-moves
6 Rc5 loss in 12 half-moves
7 Rc8 loss in 12 half-moves
8 Ka6 loss in 8 half-moves
9 Kc5 loss in 8 half-moves
10 Kc4 loss in 6 half-moves
11 Kc6 loss in 6 half-moves
12 Ka4 loss in 4 half-moves
13 Ka5 loss in 4 half-moves
14 Rb7 loss in 4 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves