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 Ka6 draw
3 Ka7 draw
4 Ka8 draw
5 Kb6 draw
6 Kb8 draw
7 Kc1 draw
8 Kc2 draw
9 Kd1 draw
10 Ke1 draw
11 Ke2 draw
12 Ra2 draw
13 Rb1 draw
14 Rb3 draw
15 Kc3 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rc2 loss in 2 half-moves