Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Kh1 draw
3 Kh3 draw
4 Rb1 draw
5 Rb2 draw
6 Rb3 draw
7 Rb5 draw
8 Rb6 draw
9 Rb7 draw
10 Rb8 draw
11 Rc4 draw
12 Rd4 draw
13 Re4 draw
14 Rg4 draw
15 Rh4 draw
16 Kg1 loss in 2 half-moves
17 Kg2 loss in 2 half-moves
18 Kg3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves