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 Kb5 draw
3 Kb6 draw
4 Kc6 draw
5 Kd6 draw
6 Rb1 draw
7 Rb3 draw
8 Rb5 draw
9 Rb6 draw
10 Rf4 draw
11 Rg4 draw
12 Rh4 draw
13 Kc4 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re4 loss in 2 half-moves