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 g8=B draw
3 g8=K draw
4 Nb6 draw
5 Nd6 draw
6 Rd8 draw
7 Rh4 draw
8 Rh7 draw
9 g8=N loss in 4 half-moves
10 g8=Q loss in 2 half-moves
11 g8=R loss in 2 half-moves
12 Na7 loss in 2 half-moves
13 Ne7 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rh3 loss in 2 half-moves
20 Rh5 loss in 2 half-moves