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

EGTB: win in 2 half-moves

# move score
1 Ka6 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 Rc2 win in 1 half-moves
4 Kb2 win in 3 half-moves
5 Kb3 win in 3 half-moves
6 Ra1 win in 7 half-moves
7 K3a4 draw
8 K3b4 draw
9 K5a4 draw
10 K5b4 draw
11 Rb2 draw
12 Rd2 draw
13 Rh2 draw
14 Kb5 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rg2 loss in 2 half-moves