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

EGTB: win in 4 half-moves

# move score
1 Rh5 win in 3 half-moves
2 Rh1 win in 7 half-moves
3 Rh2 win in 7 half-moves
4 Rh7 win in 7 half-moves
5 Rh8 win in 7 half-moves
6 Nd6 loss in 2 half-moves
7 Nd8 loss in 2 half-moves
8 Ne5 loss in 2 half-moves
9 Ng5 loss in 2 half-moves
10 Nh8 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Rc6 loss in 2 half-moves
13 Rd6 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Rh3 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Rb6 loss in 1 half-moves
19 Rf6 loss in 1 half-moves