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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Kd2 draw
3 Kf2 draw
4 Rf1 draw
5 Kd1 loss in 4 half-moves
6 Kd3 loss in 4 half-moves
7 Ke1 loss in 4 half-moves
8 Ke3 loss in 4 half-moves
9 Kf1 loss in 4 half-moves
10 Rf2 loss in 4 half-moves
11 Rf4 loss in 4 half-moves
12 Rf8 loss in 4 half-moves
13 Rb3 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves