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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Kd7 draw
3 Kf7 draw
4 Rf8 draw
5 Rf7 loss in 8 half-moves
6 Kd6 loss in 4 half-moves
7 Kd8 loss in 4 half-moves
8 Ke6 loss in 4 half-moves
9 Ke8 loss in 4 half-moves
10 Kf8 loss in 4 half-moves
11 Rf4 loss in 4 half-moves
12 Rf5 loss in 4 half-moves
13 Rb6 loss in 2 half-moves
14 Rc6 loss in 2 half-moves
15 Rd6 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rh6 loss in 2 half-moves
19 Rf1 loss in 1 half-moves
20 Rf2 loss in 1 half-moves
21 Rf3 loss in 1 half-moves