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 Rf2 win in 1 half-moves
3 Rf4 win in 1 half-moves
4 Rf5 win in 1 half-moves
5 Ke6 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Ke8 loss in 2 half-moves
8 Kf8 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Kg7 loss in 2 half-moves
11 Kg8 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rd6 loss in 2 half-moves
15 Re6 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rh6 loss in 2 half-moves
19 Rf3 loss in 1 half-moves