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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Rc1 win in 3 half-moves
4 Rc5 win in 3 half-moves
5 R1a4 win in 13 half-moves
6 R1a3 win in 23 half-moves
7 R1a2 win in 25 half-moves
8 Kb5 draw
9 Kb6 draw
10 Kb7 draw
11 Kc5 draw
12 Kd7 draw
13 R5a2 draw
14 R5a3 draw
15 R5a4 draw
16 Ra6 draw
17 Kc7 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rd1 loss in 2 half-moves
23 Rd5 loss in 2 half-moves
24 Re1 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rf5 loss in 2 half-moves
28 Rg1 loss in 2 half-moves
29 Rg5 loss in 2 half-moves
30 Rh1 loss in 2 half-moves
31 Rh5 loss in 2 half-moves