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 Ka3 draw
3 Ka4 draw
4 Ka5 draw
5 Kb3 draw
6 Kc3 draw
7 Kc4 draw
8 Ra3 draw
9 Ra4 draw
10 Ra5 draw
11 Ra6 draw
12 Ra7 draw
13 Rb1 draw
14 Rc1 draw
15 Rd1 draw
16 Rg1 draw
17 Rf1 loss in 20 half-moves
18 Kb5 loss in 2 half-moves
19 Kc5 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rh1 loss in 1 half-moves