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 Ra8 win in 3 half-moves
3 Rc4 win in 3 half-moves
4 Re4 win in 3 half-moves
5 Kd1 win in 7 half-moves
6 Kb1 draw
7 Ra5 draw
8 Ra7 draw
9 Rb1 draw
10 Rb4 draw
11 Rd4 draw
12 Kb2 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 R1a2 loss in 2 half-moves
16 R1a3 loss in 2 half-moves
17 R4a2 loss in 2 half-moves
18 R4a3 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves