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 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kd7 draw
6 Kd8 draw
7 Kf2 draw
8 Kg2 draw
9 Ra2 draw
10 Ra4 draw
11 Ra5 draw
12 Ra6 draw
13 Ra8 draw
14 Rb1 draw
15 Rc1 draw
16 Rd1 draw
17 Re1 draw
18 Ke1 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Kg1 loss in 2 half-moves
21 Ra3 loss in 1 half-moves