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

EGTB: win in 4 half-moves

# move score
1 b4 win in 3 half-moves
2 Rh7 win in 9 half-moves
3 Rh8 win in 9 half-moves
4 f5 draw
5 Rh6 draw
6 Rg4 loss in 8 half-moves
7 Rh1 loss in 8 half-moves
8 Rh5 loss in 8 half-moves
9 Rc4 loss in 4 half-moves
10 Rf4 loss in 4 half-moves
11 Ra4 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rh2 loss in 2 half-moves
16 Rh3 loss in 2 half-moves