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 Ka3 win in 3 half-moves
3 Kb3 win in 3 half-moves
4 Rb3 win in 3 half-moves
5 Kba4 win in 5 half-moves
6 Ka6 win in 7 half-moves
7 Kb6 win in 7 half-moves
8 Ra2 win in 7 half-moves
9 Kaa4 draw
10 Kab5 draw
11 Kbb5 draw
12 Rg2 draw
13 Rh2 draw
14 Kc3 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf2 loss in 2 half-moves