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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Rc1 win in 1 half-moves
3 Rc3 win in 1 half-moves
4 Rc7 win in 1 half-moves
5 Rg4 win in 1 half-moves
6 Rf4 draw
7 Ka4 loss in 2 half-moves
8 Ka6 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Rc2 loss in 2 half-moves
12 Rc5 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Kb4 loss in 1 half-moves
19 Rb4 loss in 1 half-moves