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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Rb6 win in 5 half-moves
4 Rb3 draw
5 Rb4 draw
6 Rb5 draw
7 Rc2 draw
8 Rd2 draw
9 Re2 draw
10 Rf2 draw
11 Kf6 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kf8 loss in 2 half-moves
14 Kg6 loss in 2 half-moves
15 Kgg8 loss in 2 half-moves
16 Kgh7 loss in 2 half-moves
17 Kh6 loss in 2 half-moves
18 Khg8 loss in 2 half-moves
19 Khh7 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rh2 loss in 2 half-moves