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

EGTB: win in 2 half-moves

# move score
1 Rc7 win in 1 half-moves
2 Rg1 loss in 6 half-moves
3 Rg2 loss in 4 half-moves
4 Rg3 loss in 4 half-moves
5 Rg4 loss in 4 half-moves
6 Kb1 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Kc1 loss in 2 half-moves
10 Kc3 loss in 2 half-moves
11 Kd1 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Rd7 loss in 1 half-moves
20 Re7 loss in 1 half-moves
21 Rf7 loss in 1 half-moves
22 Rg8 loss in 1 half-moves