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

EGTB: win in 4 half-moves

# move score
1 Rf3 win in 3 half-moves
2 Rc7 draw
3 Rf1 draw
4 Rf2 draw
5 Kg3 loss in 2 half-moves
6 Kg4 loss in 2 half-moves
7 Kg5 loss in 2 half-moves
8 Kh3 loss in 2 half-moves
9 Kh5 loss in 2 half-moves
10 Ra7 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Re7 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 Rf8 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh7 loss in 2 half-moves