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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kg4 loss in 10 half-moves
3 Kh3 loss in 10 half-moves
4 Kh4 loss in 10 half-moves
5 Rb2 loss in 10 half-moves
6 Rb3 loss in 10 half-moves
7 Kf3 loss in 8 half-moves
8 Kf2 loss in 4 half-moves
9 Kg2 loss in 4 half-moves
10 Kh2 loss in 4 half-moves
11 Rb1 loss in 4 half-moves
12 Kf4 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 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Rb8 loss in 1 half-moves