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

EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Rf8 win in 3 half-moves
3 K7g7 draw
4 K7g8 draw
5 K8g7 draw
6 K8g8 draw
7 Kg6 draw
8 Kh6 draw
9 Ra4 draw
10 Rf5 draw
11 Rf7 draw
12 Rg4 draw
13 Rh4 draw
14 Rb4 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf3 loss in 2 half-moves