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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Kd6 win in 5 half-moves
3 Re1 win in 7 half-moves
4 Rc1 win in 9 half-moves
5 Rd1 win in 9 half-moves
6 Rb1 win in 13 half-moves
7 Rf1 win in 13 half-moves
8 R6a2 win in 15 half-moves
9 Rb6 win in 17 half-moves
10 Kb6 draw
11 R1a2 draw
12 Kb5 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 R1a3 loss in 2 half-moves
19 R1a4 loss in 2 half-moves
20 R1a5 loss in 2 half-moves
21 R6a3 loss in 2 half-moves
22 R6a4 loss in 2 half-moves
23 R6a5 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rh1 loss in 2 half-moves