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 Rb4 draw
3 Rc4 draw
4 Rd4 draw
5 Re4 draw
6 Rf1 draw
7 Rf5 draw
8 Rf6 draw
9 Rf8 draw
10 Kc7 loss in 2 half-moves
11 Kc8 loss in 2 half-moves
12 Kdd7 loss in 2 half-moves
13 Kde7 loss in 2 half-moves
14 Ked7 loss in 2 half-moves
15 Kee7 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Kf8 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves