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

EGTB: win in 2 half-moves

# move score
1 Rc4 win in 1 half-moves
2 Kb1 loss in 10 half-moves
3 Kb3 loss in 10 half-moves
4 Kc1 loss in 10 half-moves
5 Kc2 loss in 10 half-moves
6 Ra7 loss in 10 half-moves
7 Rb7 loss in 10 half-moves
8 Ka3 loss in 6 half-moves
9 Ka1 loss in 4 half-moves
10 Ka2 loss in 4 half-moves
11 Rd7 loss in 4 half-moves
12 Rh7 loss in 4 half-moves
13 Kc3 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Re7 loss in 1 half-moves
21 Rf7 loss in 1 half-moves
22 Rg7 loss in 1 half-moves