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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Ka5 draw
3 Ka6 draw
4 Kb5 draw
5 Kb7 draw
6 Kc5 draw
7 Kc6 draw
8 Kc7 draw
9 Ra6 draw
10 Ra8 draw
11 Rb7 draw
12 Rc7 draw
13 Rd7 draw
14 Re7 draw
15 Rf7 draw
16 Ra1 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves