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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kc7 draw
6 Kc8 draw
7 Ra5 draw
8 Ra6 draw
9 Ra7 draw
10 Ra8 draw
11 Rb4 draw
12 Rf4 draw
13 Rg4 draw
14 Rh4 draw
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves