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

EGTB: win in 4 half-moves

# move score
1 Ka2 win in 3 half-moves
2 Kb2 win in 3 half-moves
3 Rd1 win in 3 half-moves
4 Kb1 draw
5 Rd6 draw
6 Re3 draw
7 Rf3 draw
8 Rh3 draw
9 Ra3 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rd2 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Rd5 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Rg3 loss in 1 half-moves