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 Ke6 draw
3 Kf6 draw
4 Kg6 draw
5 Rb4 draw
6 Rf1 draw
7 Rf2 draw
8 Rf3 draw
9 Rg4 draw
10 Rh4 draw
11 Ke4 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Kg4 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves