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