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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kc2 draw
3 Kd2 draw
4 Rb2 draw
5 Rb3 draw
6 Rb4 draw
7 Re7 draw
8 Kb1 loss in 2 half-moves
9 Kd1 loss in 2 half-moves
10 Kg1 loss in 2 half-moves
11 Kg2 loss in 2 half-moves
12 Kh2 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Kb2 loss in 1 half-moves