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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kg1 loss in 8 half-moves
3 Kg2 loss in 8 half-moves
4 Kh2 loss in 8 half-moves
5 Rc1 loss in 8 half-moves
6 Ra2 loss in 6 half-moves
7 Ra3 loss in 4 half-moves
8 Ra4 loss in 4 half-moves
9 Ra7 loss in 4 half-moves
10 Ra5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Rd1 loss in 2 half-moves
13 Re1 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Ra8 loss in 1 half-moves