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 Kc5 draw
4 Kd4 draw
5 Kd5 draw
6 Rb4 draw
7 Rb7 draw
8 Rc5 draw
9 Rd5 draw
10 Rf5 draw
11 Ra5 loss in 4 half-moves
12 Re5 loss in 4 half-moves
13 Kb3 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rg5 loss in 1 half-moves
21 Rh5 loss in 1 half-moves