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

EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Ke7 draw
3 Kf7 draw
4 Kf8 draw
5 Ra4 draw
6 Rd4 draw
7 Rf3 draw
8 Rf5 draw
9 Rf6 draw
10 Rf8 draw
11 Kd7 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves