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 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kc1 draw
6 Kc2 draw
7 Kd1 draw
8 Ke1 draw
9 Ke2 draw
10 Ra2 draw
11 Rb1 draw
12 Rb3 draw
13 Rc2 draw
14 Kc3 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves