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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rf8 win in 1 half-moves
3 Rg7 win in 3 half-moves
4 Rg1 win in 5 half-moves
5 Rg2 win in 5 half-moves
6 Rg3 win in 5 half-moves
7 Rg4 win in 5 half-moves
8 Kg1 loss in 2 half-moves
9 Kg2 loss in 2 half-moves
10 Kh2 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rh8 loss in 2 half-moves