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 Kc3 loss in 12 half-moves
3 Rb8 loss in 12 half-moves
4 Kc1 loss in 10 half-moves
5 Kd1 loss in 10 half-moves
6 Rc7 loss in 10 half-moves
7 Kb1 loss in 8 half-moves
8 Kb2 loss in 8 half-moves
9 Kb3 loss in 8 half-moves
10 Rd8 loss in 8 half-moves
11 Ra8 loss in 4 half-moves
12 Kd2 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh8 loss in 1 half-moves