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

EGTB: win in 4 half-moves

# move score
1 Rd6 win in 3 half-moves
2 Rd7 win in 3 half-moves
3 Rd8 win in 3 half-moves
4 Ka6 draw
5 Kaa8 draw
6 Kab7 draw
7 Kb6 draw
8 Kba8 draw
9 Kbb7 draw
10 Kc7 draw
11 Kc8 draw
12 Ra3 draw
13 Rb3 draw
14 Rc3 draw
15 Rd4 draw
16 Rd5 draw
17 Re3 draw
18 Rd1 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves