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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Ka2 draw
3 Ka3 draw
4 Kb1 draw
5 Kb3 draw
6 Kc1 draw
7 Kc2 draw
8 Kc3 draw
9 Ra2 draw
10 Rb1 draw
11 Rc1 draw
12 Rd1 draw
13 Re1 draw
14 Rf1 draw
15 Ra3 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves