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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kd6 draw
8 Rb1 draw
9 Rb3 draw
10 Rb6 draw
11 Rc2 draw
12 Rd2 draw
13 Kd5 loss in 6 half-moves
14 Kd7 loss in 4 half-moves
15 Re2 loss in 4 half-moves
16 Rf2 loss in 4 half-moves
17 Rb5 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Ra2 loss in 1 half-moves