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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc6 draw
6 Kc8 draw
7 Kd6 draw
8 Kd7 draw
9 Kd8 draw
10 Ra2 draw
11 Rb3 draw
12 Rb4 draw
13 Rb7 draw
14 Rb8 draw
15 Rc2 draw
16 Rd2 draw
17 Re2 draw
18 Rf2 draw
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves