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

EGTB: win in 4 half-moves

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