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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Ra8 draw
3 Rb1 draw
4 Rb3 draw
5 Rb4 draw
6 Rb5 draw
7 Rc8 draw
8 Rd8 draw
9 Re8 draw
10 Rg8 draw
11 Rh8 draw
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rf8 loss in 2 half-moves