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

EGTB: win in 4 half-moves

# move score
1 Rd4 win in 3 half-moves
2 Rd5 win in 3 half-moves
3 Ra1 win in 5 half-moves
4 Rb1 win in 5 half-moves
5 Ka4 win in 7 half-moves
6 Ka6 draw
7 Ka7 draw
8 Kb4 draw
9 Kb5 draw
10 Kb6 draw
11 Kb7 draw
12 Kb8 draw
13 Rc1 draw
14 Rd2 draw
15 Rd3 draw
16 Rd6 draw
17 Rh1 draw
18 Rd7 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rg1 loss in 2 half-moves