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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kb2 draw
3 Kb3 draw
4 Kb4 draw
5 Kc2 draw
6 Kc4 draw
7 Rb3 draw
8 Rc8 draw
9 Rd8 draw
10 Kd4 loss in 10 half-moves
11 Kd2 loss in 4 half-moves
12 Kd3 loss in 4 half-moves
13 Re8 loss in 4 half-moves
14 Rf8 loss in 4 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Ra8 loss in 1 half-moves