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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Rb1 win in 3 half-moves
3 Rb5 win in 3 half-moves
4 Rc5 win in 3 half-moves
5 Re5 win in 3 half-moves
6 Kb1 draw
7 Kd1 draw
8 R1a4 draw
9 R5a4 draw
10 Ra7 draw
11 Ra8 draw
12 Rd5 draw
13 Kb2 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 R1a2 loss in 2 half-moves
17 R1a3 loss in 2 half-moves
18 R5a2 loss in 2 half-moves
19 R5a3 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rh5 loss in 2 half-moves