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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Rc1 win in 5 half-moves
3 K4a5 draw
4 K6a5 draw
5 Ka3 draw
6 Ka7 draw
7 Kb3 draw
8 Ra2 draw
9 Rb1 draw
10 Re1 draw
11 Rh1 draw
12 K4b5 loss in 2 half-moves
13 K6b5 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kb7 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves