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

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Ka2 draw
3 Kb7 draw
4 Kb8 draw
5 Kc7 draw
6 Kd7 draw
7 Kd8 draw
8 Ra4 draw
9 Ra6 draw
10 Ra7 draw
11 Ra8 draw
12 Rf3 draw
13 Rg3 draw
14 Rh3 draw
15 Kb1 loss in 2 half-moves
16 Kb2 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves