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 Ka4 draw
3 Ka6 draw
4 Kb5 draw
5 Kb6 draw
6 Ra4 draw
7 Rg3 draw
8 Rg5 draw
9 Rg7 draw
10 Rg8 draw
11 Kb4 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Rg6 loss in 1 half-moves