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

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Rb8 win in 3 half-moves
3 Rf8 win in 3 half-moves
4 Rg1 win in 3 half-moves
5 Rg2 win in 3 half-moves
6 Rg4 win in 3 half-moves
7 Rg5 win in 3 half-moves
8 Rg6 win in 3 half-moves
9 Rg7 win in 3 half-moves
10 Rh8 win in 3 half-moves
11 Re8 win in 5 half-moves
12 Rd8 win in 7 half-moves
13 Rc8 win in 9 half-moves
14 Ra8 loss in 2 half-moves