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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Ra7 draw
3 Ra8 draw
4 Rd6 draw
5 Rg6 draw
6 Rh6 draw
7 R6a2 loss in 4 half-moves
8 R6a3 loss in 4 half-moves
9 Kb1 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kd1 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 R1a2 loss in 2 half-moves
15 R1a3 loss in 2 half-moves
16 R1a4 loss in 2 half-moves
17 R1a5 loss in 2 half-moves
18 R6a4 loss in 2 half-moves
19 R6a5 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rc6 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Rf6 loss in 2 half-moves