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 Rc4 win in 1 half-moves
3 Kd5 loss in 2 half-moves
4 Kd7 loss in 2 half-moves
5 Ke5 loss in 2 half-moves
6 Ke6 loss in 2 half-moves
7 Ke7 loss in 2 half-moves
8 Ra7 loss in 2 half-moves
9 Rb7 loss in 2 half-moves
10 Rc2 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Kc5 loss in 1 half-moves
19 Kc6 loss in 1 half-moves
20 Rc5 loss in 1 half-moves
21 Rc6 loss in 1 half-moves