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

EGTB: win in 2 half-moves

# move score
1 Ka6 win in 1 half-moves
2 Rh5 win in 1 half-moves
3 Rb6 draw
4 Rc5 draw
5 Rb1 loss in 6 half-moves
6 Ka4 loss in 2 half-moves
7 Kb4 loss in 2 half-moves
8 Rb2 loss in 2 half-moves
9 Rb3 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rd5 loss in 2 half-moves
14 Re5 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Kb6 loss in 1 half-moves