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

EGTB: win in 2 half-moves

# move score
1 Rc1 win in 1 half-moves
2 Kg1 draw
3 Kg2 draw
4 Kh2 draw
5 Ra2 draw
6 Ra3 draw
7 Ra4 draw
8 Ra8 draw
9 Rb1 draw
10 Rd1 draw
11 Re1 draw
12 Rf1 draw
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rg1 loss in 2 half-moves