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

EGTB: win in 4 half-moves

# move score
1 Rc6 win in 3 half-moves
2 K6c6 win in 7 half-moves
3 K7c6 win in 7 half-moves
4 K7c7 win in 7 half-moves
5 Kc8 win in 7 half-moves
6 Kd8 win in 7 half-moves
7 Ra7 win in 7 half-moves
8 Rb6 win in 7 half-moves
9 K6c7 loss in 2 half-moves
10 K6e6 loss in 2 half-moves
11 K6e7 loss in 2 half-moves
12 K7e6 loss in 2 half-moves
13 K7e7 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra8 loss in 2 half-moves