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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Ke5 draw
3 Rb6 loss in 8 half-moves
4 Rb7 loss in 6 half-moves
5 Rb8 loss in 6 half-moves
6 Ke6 loss in 4 half-moves
7 Kf6 loss in 4 half-moves
8 Kg5 loss in 4 half-moves
9 Kg6 loss in 4 half-moves
10 Ra4 loss in 4 half-moves
11 Rb5 loss in 4 half-moves
12 Ke4 loss in 2 half-moves
13 Kf4 loss in 2 half-moves
14 Kg4 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves