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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Ka1 draw
3 Ka8 draw
4 Kb1 draw
5 Kb2 draw
6 Kc8 draw
7 Ra5 draw
8 Ra6 draw
9 Rb7 draw
10 Rc7 draw
11 Re7 draw
12 Ra3 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Ka3 loss in 1 half-moves
19 Kb3 loss in 1 half-moves
20 Kb7 loss in 1 half-moves
21 Kc7 loss in 1 half-moves