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

EGTB: win in 6 half-moves

# move score
1 Rd7 win in 5 half-moves
2 Rd8 win in 5 half-moves
3 Kf7 draw
4 Kf8 draw
5 Kgg7 draw
6 Kgh7 draw
7 Khg7 draw
8 Khh7 draw
9 Ra5 draw
10 Rb5 draw
11 Rc5 draw
12 Rd3 draw
13 Rd4 draw
14 Rd6 draw
15 Re5 draw
16 Rf5 draw
17 Rd1 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves