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 Rg4 win in 1 half-moves
3 Rb8 draw
4 Re4 draw
5 K1g1 loss in 2 half-moves
6 K1g2 loss in 2 half-moves
7 K2g1 loss in 2 half-moves
8 K2g2 loss in 2 half-moves
9 Kg3 loss in 2 half-moves
10 Kh3 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves