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 Kd5 win in 7 half-moves
3 Rc1 win in 7 half-moves
4 Rc2 win in 7 half-moves
5 Rc3 win in 7 half-moves
6 Rc5 win in 7 half-moves
7 Kc5 win in 11 half-moves
8 Ke5 win in 11 half-moves
9 Ke6 win in 11 half-moves
10 Ke7 win in 11 half-moves
11 Rd4 win in 11 half-moves
12 Re4 win in 11 half-moves
13 Rf4 win in 11 half-moves
14 Rg4 win in 11 half-moves
15 Rh4 win in 11 half-moves
16 Kd7 loss in 4 half-moves
17 Kc6 loss in 2 half-moves
18 Kc7 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Rc8 loss in 2 half-moves