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 Rb6 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Ka6 draw
5 Kaa8 draw
6 Kab7 draw
7 Kb6 draw
8 Kba8 draw
9 Kbb7 draw
10 Kc7 draw
11 Kc8 draw
12 Ra5 draw
13 Rc5 draw
14 Rd5 draw
15 Rh5 draw
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rg5 loss in 2 half-moves