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 Ra2 draw
4 Rb3 draw
5 Rb4 draw
6 Rb5 draw
7 Rb6 draw
8 Rf2 draw
9 Rg2 draw
10 Rh2 draw
11 Kf7 loss in 2 half-moves
12 Kf8 loss in 2 half-moves
13 Kgg7 loss in 2 half-moves
14 Kgh7 loss in 2 half-moves
15 Khg7 loss in 2 half-moves
16 Khh7 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Re2 loss in 2 half-moves