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 Ke8 draw
4 Kf7 draw
5 Kfg7 draw
6 Kfg8 draw
7 Kh7 draw
8 Khg7 draw
9 Khg8 draw
10 Rb4 draw
11 Rf5 draw
12 Rf6 draw
13 Rg4 draw
14 Rh4 draw
15 Ra4 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rf3 loss in 2 half-moves