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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Rg1 win in 3 half-moves
3 Rg2 win in 3 half-moves
4 Rg7 win in 3 half-moves
5 Rg8 win in 3 half-moves
6 Rh3 win in 3 half-moves
7 Rb3 loss in 2 half-moves
8 Rc3 loss in 2 half-moves
9 Rd3 loss in 2 half-moves
10 Re3 loss in 2 half-moves
11 Rf3 loss in 2 half-moves
12 Rg4 loss in 2 half-moves
13 Rg5 loss in 2 half-moves
14 Rg6 loss in 2 half-moves