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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kb6 draw
5 Kc4 draw
6 Kc6 draw
7 Kd4 draw
8 Kd5 draw
9 Kd6 draw
10 Ra8 draw
11 Rb2 draw
12 Rb3 draw
13 Rb4 draw
14 Rb5 draw
15 Rb6 draw
16 Rc8 draw
17 Re8 draw
18 Rf8 draw
19 Rg8 draw
20 Rh8 draw
21 Rb7 loss in 2 half-moves
22 Rd8 loss in 2 half-moves