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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Ra2 win in 7 half-moves
3 Ra1 win in 13 half-moves
4 Ra4 draw
5 Ra5 draw
6 Ra6 draw
7 Rb7 draw
8 Rc7 draw
9 Rd7 draw
10 Re7 draw
11 Ka1 loss in 2 half-moves
12 Ka2 loss in 2 half-moves
13 Ka3 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kbb1 loss in 2 half-moves
16 Kbc2 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kcb1 loss in 2 half-moves
19 Kcc2 loss in 2 half-moves
20 Kd1 loss in 2 half-moves
21 Kd2 loss in 2 half-moves
22 Ra8 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves