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 K6b7 win in 5 half-moves
3 K7b7 win in 5 half-moves
4 Rc8 win in 5 half-moves
5 K6b6 draw
6 K7b6 draw
7 Kb5 draw
8 K6d6 loss in 2 half-moves
9 K6d7 loss in 2 half-moves
10 K7d6 loss in 2 half-moves
11 K7d7 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves