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 Ka1 draw
3 Ka2 draw
4 Ka6 draw
5 Ka8 draw
6 Kb2 draw
7 Kc1 draw
8 Kc2 draw
9 Ra1 draw
10 Ra2 draw
11 Ra4 draw
12 Ra6 draw
13 Rf3 draw
14 Rg3 draw
15 Rh3 draw
16 Kb6 loss in 2 half-moves
17 Kb7 loss in 2 half-moves
18 Kb8 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Re3 loss in 2 half-moves