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 Kb1 draw
3 Kb2 draw
4 Kb3 draw
5 Kc1 draw
6 Kc3 draw
7 Kd1 draw
8 Kd2 draw
9 Kd3 draw
10 Kg1 draw
11 Kg2 draw
12 Kh1 draw
13 Ra8 draw
14 Rb1 draw
15 Rb2 draw
16 Rb3 draw
17 Rc8 draw
18 Rd8 draw
19 Re8 draw
20 Rf8 draw
21 Kg3 loss in 2 half-moves
22 Kh3 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 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves