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

EGTB: win in 2 half-moves

# move score
1 Rf3 win in 1 half-moves
2 a2 loss in 2 half-moves
3 Kg3 loss in 2 half-moves
4 Kg4 loss in 2 half-moves
5 Kg5 loss in 2 half-moves
6 Kh5 loss in 2 half-moves
7 Rb3 loss in 2 half-moves
8 Rc3 loss in 2 half-moves
9 Rd3 loss in 2 half-moves
10 Rg3 loss in 2 half-moves
11 Rh2 loss in 2 half-moves
12 Re3 loss in 1 half-moves
13 Rh1 loss in 1 half-moves