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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Ka1 draw
3 Kb1 draw
4 Kb2 draw
5 Kb8 draw
6 Ra4 draw
7 Ra5 draw
8 Rb3 draw
9 Rc3 draw
10 Rh3 draw
11 Ra7 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Kb3 loss in 1 half-moves
18 Kb7 loss in 1 half-moves
19 Kc7 loss in 1 half-moves
20 Kd7 loss in 1 half-moves
21 Kd8 loss in 1 half-moves