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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Re5 win in 1 half-moves
3 Rb1 win in 3 half-moves
4 Rb7 win in 3 half-moves
5 Rb2 draw
6 Rb6 draw
7 Rf5 draw
8 Rg5 draw
9 Rh5 draw
10 K5b6 loss in 2 half-moves
11 K6b6 loss in 2 half-moves
12 Ka4 loss in 2 half-moves
13 Ka7 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rd5 loss in 2 half-moves