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 Ra5 win in 5 half-moves
3 Ra6 win in 5 half-moves
4 Ra7 win in 15 half-moves
5 Raa8 win in 15 half-moves
6 Rab2 win in 15 half-moves
7 Rb5 win in 15 half-moves
8 Rb7 win in 15 half-moves
9 Rba8 win in 15 half-moves
10 Rc8 win in 15 half-moves
11 Rf8 win in 19 half-moves
12 Rb6 win in 25 half-moves
13 Rd8 win in 27 half-moves
14 Kb1 draw
15 Kb2 draw
16 Kb3 draw
17 Kc1 draw
18 Kc3 draw
19 Rb3 draw
20 Rbb2 draw
21 Rg8 draw
22 Kd1 loss in 2 half-moves
23 Kd2 loss in 2 half-moves
24 Kd3 loss in 2 half-moves
25 Ra1 loss in 2 half-moves
26 Ra4 loss in 2 half-moves
27 Rb1 loss in 2 half-moves
28 Rb4 loss in 2 half-moves
29 Re8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves