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

EGTB: win in 6 half-moves

# move score
1 Rc1 win in 5 half-moves
2 Ra4 draw
3 Rb4 draw
4 Rc5 draw
5 Rc6 draw
6 Rc7 draw
7 Rc8 draw
8 Rd4 draw
9 Kf1 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Kgg2 loss in 2 half-moves
12 Kgh2 loss in 2 half-moves
13 Khg2 loss in 2 half-moves
14 Khh2 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves