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 Rb4 win in 3 half-moves
3 Rc4 win in 3 half-moves
4 Rd4 win in 3 half-moves
5 Ra6 win in 5 half-moves
6 Ra8 win in 5 half-moves
7 Re4 win in 5 half-moves
8 Kb1 draw
9 Kd1 draw
10 Ra5 draw
11 Rf4 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 Rb1 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves