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 Ka6 draw
3 Kb5 draw
4 Kb6 draw
5 Rd4 draw
6 Re4 draw
7 Rf5 draw
8 Rf6 draw
9 Rf8 draw
10 Rg4 draw
11 Ka4 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rh4 loss in 2 half-moves