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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rc7 win in 1 half-moves
3 Kb6 win in 3 half-moves
4 Ka5 draw
5 Ka7 draw
6 Kg7 draw
7 Kg8 draw
8 Kh7 draw
9 Ra7 draw
10 Rb3 draw
11 Rb5 draw
12 Rb6 draw
13 Rb8 draw
14 Rg7 draw
15 Rh7 draw
16 Kb5 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves