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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Rh5 win in 3 half-moves
3 Rh7 loss in 4 half-moves
4 Rh8 loss in 4 half-moves
5 Na1 loss in 2 half-moves
6 Na5 loss in 2 half-moves
7 Nc1 loss in 2 half-moves
8 Nc5 loss in 2 half-moves
9 Nd2 loss in 2 half-moves
10 Nd4 loss in 2 half-moves
11 Rd3 loss in 2 half-moves
12 Rf3 loss in 2 half-moves
13 Rh1 loss in 2 half-moves
14 Rh2 loss in 2 half-moves
15 Rc3 loss in 1 half-moves
16 Re3 loss in 1 half-moves
17 Rg3 loss in 1 half-moves
18 Rh6 loss in 1 half-moves