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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kb4 draw
3 Kc6 draw
4 Ra8 draw
5 Rb1 draw
6 Rb2 draw
7 Rb5 draw
8 Rb7 draw
9 Rc8 draw
10 Rd8 draw
11 Re8 draw
12 Kb5 loss in 4 half-moves
13 Kb6 loss in 4 half-moves
14 Kc4 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves