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

EGTB: win in 6 half-moves

# move score
1 Rc7 win in 5 half-moves
2 Rc8 win in 5 half-moves
3 Kf7 draw
4 Kf8 draw
5 Kgg7 draw
6 Kgh7 draw
7 Khg7 draw
8 Khh7 draw
9 Ra4 draw
10 Rb4 draw
11 Rc5 draw
12 Rc6 draw
13 Rd4 draw
14 Re4 draw
15 Rf4 draw
16 Rc1 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves