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

EGTB: win in 4 half-moves

# move score
1 R2a4 win in 3 half-moves
2 R2a6 win in 13 half-moves
3 Re8 win in 13 half-moves
4 Rc8 win in 17 half-moves
5 Rb2 win in 23 half-moves
6 Rb8 win in 23 half-moves
7 Rd8 win in 25 half-moves
8 Rf8 win in 25 half-moves
9 Kb2 draw
10 Kd2 draw
11 R8a4 draw
12 R8a6 draw
13 Kb1 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kc1 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kd1 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 R2a3 loss in 2 half-moves
20 R2a5 loss in 2 half-moves
21 R2a7 loss in 2 half-moves
22 R8a3 loss in 2 half-moves
23 R8a5 loss in 2 half-moves
24 R8a7 loss in 2 half-moves
25 Ra1 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves