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

EGTB: win in 4 half-moves

# move score
1 f7 win in 3 half-moves
2 Rf1 win in 5 half-moves
3 Re1 draw
4 Rg2 draw
5 Rg6 draw
6 Rg7 draw
7 Rg8 draw
8 Rh1 draw
9 Rd1 loss in 4 half-moves
10 Ra1 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rg3 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rg5 loss in 2 half-moves