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 Ra1 draw
3 Ra2 draw
4 Ra3 draw
5 Ra4 draw
6 Ra6 draw
7 Rd7 draw
8 Re7 draw
9 Rf7 draw
10 Rh7 draw
11 Ka2 loss in 2 half-moves
12 Ka3 loss in 2 half-moves
13 Ka4 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves