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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kcd7 draw
8 Kd5 draw
9 Kd6 draw
10 Kd8 draw
11 Ke7 draw
12 Ked7 draw
13 Kf7 draw
14 Kf8 draw
15 Rb1 draw
16 Rc2 draw
17 Rd2 draw
18 Rh2 draw
19 Ra2 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Re2 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rg2 loss in 2 half-moves