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 Kb7 draw
3 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Ra4 draw
7 Rb1 draw
8 Rb5 draw
9 Rb8 draw
10 Rc4 draw
11 Kb8 loss in 10 half-moves
12 Rb3 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Rd4 loss in 1 half-moves
18 Re4 loss in 1 half-moves
19 Rf4 loss in 1 half-moves