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

EGTB: win in 4 half-moves

# move score
1 Rd7 win in 3 half-moves
2 Rd8 win in 3 half-moves
3 Rd6 win in 5 half-moves
4 Ka6 draw
5 Kaa7 draw
6 Kab8 draw
7 Kb6 draw
8 Kba7 draw
9 Kbb8 draw
10 Kc6 draw
11 Kc7 draw
12 Kc8 draw
13 Ra4 draw
14 Rb4 draw
15 Rc4 draw
16 Rd5 draw
17 Re4 draw
18 Rd1 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rh4 loss in 2 half-moves