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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Ra7 win in 3 half-moves
3 Ra6 win in 7 half-moves
4 Ra8 win in 9 half-moves
5 Ra4 draw
6 Rb2 draw
7 Rc2 draw
8 Rd2 draw
9 Rf2 draw
10 Ka3 loss in 2 half-moves
11 Ka4 loss in 2 half-moves
12 Ka5 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kbb5 loss in 2 half-moves
17 Kbc5 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kc7 loss in 2 half-moves
21 Kcb5 loss in 2 half-moves
22 Kcc5 loss in 2 half-moves
23 Kd5 loss in 2 half-moves
24 Kd6 loss in 2 half-moves
25 Kd7 loss in 2 half-moves
26 Ra1 loss in 2 half-moves
27 Ra3 loss in 2 half-moves
28 Re2 loss in 2 half-moves
29 Rg2 loss in 2 half-moves
30 Rh2 loss in 2 half-moves