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 K4c5 draw
3 K4d5 draw
4 K4e5 draw
5 K6c5 draw
6 K6d5 draw
7 K6e5 draw
8 Kc7 draw
9 Kd7 draw
10 Ke4 draw
11 Ke6 draw
12 Ke7 draw
13 Ra5 draw
14 Ra6 draw
15 Ra7 draw
16 Ra8 draw
17 Kc3 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Rc4 loss in 2 half-moves