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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Kc1 draw
3 Kc2 draw
4 Ke1 draw
5 Ke2 draw
6 Re2 draw
7 Rf4 draw
8 Rh2 draw
9 Rf3 loss in 6 half-moves
10 Kd2 loss in 4 half-moves
11 Rf1 loss in 4 half-moves
12 Rb2 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rf5 loss in 1 half-moves
19 Rf6 loss in 1 half-moves