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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Rf3 win in 5 half-moves
3 Ra6 draw
4 Rc6 draw
5 Rd6 draw
6 Re6 draw
7 Rf2 draw
8 Rf4 draw
9 Rf5 draw
10 K1g1 loss in 2 half-moves
11 K1g2 loss in 2 half-moves
12 K2g1 loss in 2 half-moves
13 K2g2 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rh6 loss in 2 half-moves