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

EGTB: win in 28 half-moves

# move score
1 Rb3 win in 27 half-moves
2 Rb4 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Rb8 draw
7 Rg2 draw
8 Rh2 draw
9 Kf4 loss in 2 half-moves
10 Kf5 loss in 2 half-moves
11 Kf6 loss in 2 half-moves
12 Kg4 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Kh4 loss in 2 half-moves
15 Kh5 loss in 2 half-moves
16 Kh6 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Rf2 loss in 2 half-moves