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

EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Rf6 win in 3 half-moves
3 Rf7 win in 3 half-moves
4 Rf8 win in 3 half-moves
5 K6g6 draw
6 K6g7 draw
7 K7g6 draw
8 K7g7 draw
9 Kg5 draw
10 Kg8 draw
11 Kh5 draw
12 Kh8 draw
13 Rd3 draw
14 Re3 draw
15 Rf4 draw
16 Rg3 draw
17 Rh3 draw
18 Ra3 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves