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

EGTB: win in 4 half-moves

# move score
1 Kc1 win in 3 half-moves
2 Kc2 win in 3 half-moves
3 Ra5 win in 3 half-moves
4 Rc5 win in 5 half-moves
5 Kaa2 draw
6 Kab2 draw
7 Kba2 draw
8 Kbb2 draw
9 Rb5 draw
10 Rd4 draw
11 Rd6 draw
12 Rd7 draw
13 Rd8 draw
14 Re5 draw
15 Rf5 draw
16 Rd1 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves