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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kc4 draw
5 Kc6 draw
6 Ra4 draw
7 Rb1 draw
8 Rb2 draw
9 Rb3 draw
10 Rb5 draw
11 Rb6 draw
12 Rb7 draw
13 Re4 draw
14 Rf4 draw
15 Rg4 draw
16 Rh4 draw
17 Kd4 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd4 loss in 2 half-moves