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 Ke1 draw
3 Kg1 draw
4 Kg2 draw
5 Ra7 draw
6 Re7 draw
7 Rf2 draw
8 Rf8 draw
9 Rg7 draw
10 Rh7 draw
11 Ke2 loss in 2 half-moves
12 Kf2 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf6 loss in 2 half-moves