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

EGTB: win in 8 half-moves

# move score
1 g5 win in 7 half-moves
2 Re2 win in 7 half-moves
3 Re3 win in 7 half-moves
4 Rg1 win in 9 half-moves
5 Rh1 win in 9 half-moves
6 Ra1 win in 13 half-moves
7 Rd1 win in 13 half-moves
8 Re4 win in 13 half-moves
9 Re5 win in 13 half-moves
10 Re8 win in 13 half-moves
11 Rf1 win in 13 half-moves
12 Rb1 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Re7 loss in 2 half-moves