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 Kg3 draw
3 Kg4 draw
4 Kh4 draw
5 Ra4 draw
6 Rb2 draw
7 Rb3 draw
8 Rd4 draw
9 Re4 draw
10 Rg4 draw
11 Rb1 loss in 6 half-moves
12 Kg2 loss in 4 half-moves
13 Kh2 loss in 4 half-moves
14 Rb5 loss in 4 half-moves
15 Rb7 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Rb6 loss in 1 half-moves