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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Rh7 win in 3 half-moves
3 d8=K draw
4 Rc3 draw
5 Re3 draw
6 Rf3 draw
7 Rg3 draw
8 Rh5 draw
9 Rh8 draw
10 d8=B loss in 2 half-moves
11 d8=N loss in 2 half-moves
12 d8=Q loss in 2 half-moves
13 d8=R loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rh4 loss in 2 half-moves