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 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Ra4 draw
6 Rb3 draw
7 Rb5 draw
8 Rc4 draw
9 Rd4 draw
10 Rf4 draw
11 Re4 loss in 12 half-moves
12 Rb1 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves