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 Ra2 draw
3 Ra3 draw
4 Ra5 draw
5 Ra6 draw
6 Rb7 draw
7 Rc7 draw
8 Rd7 draw
9 Rh7 draw
10 Ka1 loss in 2 half-moves
11 Ka2 loss in 2 half-moves
12 Ka3 loss in 2 half-moves
13 Kb1 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kc1 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves