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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Kaa7 draw
3 Kba7 draw
4 Kc8 draw
5 Rb1 draw
6 Rb6 draw
7 Rf2 draw
8 Rg2 draw
9 Rh2 draw
10 Kab7 loss in 2 half-moves
11 Kbb7 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb7 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