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 Rf1 loss in 4 half-moves
3 Rf2 loss in 4 half-moves
4 Rf6 loss in 4 half-moves
5 Rf7 loss in 4 half-moves
6 Kg2 loss in 2 half-moves
7 Kg3 loss in 2 half-moves
8 Kg4 loss in 2 half-moves
9 Kh2 loss in 2 half-moves
10 Kh4 loss in 2 half-moves
11 Rf4 loss in 2 half-moves
12 Rf5 loss in 2 half-moves
13 Rg3 loss in 2 half-moves
14 Rb3 loss in 1 half-moves
15 Rc3 loss in 1 half-moves
16 Rd3 loss in 1 half-moves
17 Re3 loss in 1 half-moves
18 Rf8 loss in 1 half-moves