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 Kb4 draw
3 Kb5 draw
4 Kb6 draw
5 Ra8 draw
6 Rc8 draw
7 Re8 draw
8 Rf8 draw
9 Rh8 draw
10 Kc4 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb3 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 Rb7 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves