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 Rb3 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Rf4 draw
7 Kf4 loss in 2 half-moves
8 Kf5 loss in 2 half-moves
9 Kf6 loss in 2 half-moves
10 Kg4 loss in 2 half-moves
11 Kg6 loss in 2 half-moves
12 Kh4 loss in 2 half-moves
13 Kh5 loss in 2 half-moves
14 Kh6 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves