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 Rf8 win in 3 half-moves
4 K6g7 draw
5 K6h7 draw
6 K8g7 draw
7 K8h7 draw
8 Kg5 draw
9 Kg6 draw
10 Kg8 draw
11 Kh5 draw
12 Ra3 draw
13 Rf4 draw
14 Rf7 draw
15 Rg3 draw
16 Rh3 draw
17 Rb3 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves