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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rf4 win in 1 half-moves
3 K5g5 loss in 2 half-moves
4 K5g6 loss in 2 half-moves
5 K6g5 loss in 2 half-moves
6 K6g6 loss in 2 half-moves
7 Kg7 loss in 2 half-moves
8 Kh7 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Kg4 loss in 1 half-moves
20 Kh4 loss in 1 half-moves
21 Rg4 loss in 1 half-moves
22 Rh4 loss in 1 half-moves