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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Rd4 win in 3 half-moves
3 Rb8 draw
4 Kc4 loss in 2 half-moves
5 Kc5 loss in 2 half-moves
6 Kc6 loss in 2 half-moves
7 Kd4 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Kde4 loss in 2 half-moves
10 Kde5 loss in 2 half-moves
11 Ke3 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Kfe4 loss in 2 half-moves
16 Kfe5 loss in 2 half-moves
17 Kg3 loss in 2 half-moves
18 Kg4 loss in 2 half-moves
19 Kg5 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Rb7 loss in 2 half-moves
26 Rc4 loss in 2 half-moves
27 Re4 loss in 2 half-moves