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 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Kd1 draw
6 Kf1 draw
7 Kf2 draw
8 Rc2 draw
9 Rd2 draw
10 Re3 draw
11 Re4 draw
12 Re5 draw
13 Re6 draw
14 Re7 draw
15 Re8 draw
16 Rf2 draw
17 Rg2 draw
18 Rh2 draw
19 Kd2 loss in 2 half-moves
20 Rb2 loss in 1 half-moves