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

EGTB: win in 2 half-moves

# move score
1 Rc4 win in 1 half-moves
2 Kg1 draw
3 Kg2 draw
4 Kh2 draw
5 Rc2 draw
6 Rc3 draw
7 Rc5 draw
8 Rc7 draw
9 Rc8 draw
10 Ka4 loss in 1 half-moves
11 Ka6 loss in 1 half-moves
12 Kb4 loss in 1 half-moves
13 Kb5 loss in 1 half-moves
14 Kb6 loss in 1 half-moves
15 Ra1 loss in 1 half-moves
16 Rb1 loss in 1 half-moves
17 Rc6 loss in 1 half-moves
18 Rd1 loss in 1 half-moves
19 Re1 loss in 1 half-moves
20 Rf1 loss in 1 half-moves
21 Rg1 loss in 1 half-moves