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

EGTB: win in 2 half-moves

# move score
1 Rf1 win in 1 half-moves
2 Kg7 loss in 8 half-moves
3 Rf2 loss in 8 half-moves
4 Rg3 loss in 8 half-moves
5 Rh3 loss in 8 half-moves
6 Kh7 loss in 4 half-moves
7 Kh8 loss in 4 half-moves
8 Kf7 loss in 2 half-moves
9 Kf8 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rd3 loss in 2 half-moves
13 Re3 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Ra3 loss in 1 half-moves