▁of ▁Douglas ▁Ha ig , ▁for ▁his ▁inter rog ation ▁of ▁the ▁German ▁prisoner . ▁In ▁ 1 9 1 9 ▁he ▁returned ▁to ▁Australia . ▁ ▁He ▁continued ▁his ▁tennis ▁career ▁in ▁the ▁ 1 9 2 0 s ▁and ▁was ▁a ▁regular ▁compet itor ▁at ▁the ▁Austral as ian ▁Championships . ▁Although ▁he ▁wasn ' t ▁able ▁to ▁reach ▁the ▁final ▁four ▁again ▁he ▁was ▁a ▁doubles ▁semi - final ist ▁on ▁four ▁occasions , ▁with ▁Tim othy ▁F itch ett ▁in ▁ 1 9 2 4 , ▁G art on ▁H one ▁in ▁ 1 9 2 5 ▁and ▁Richard ▁Schles inger ▁in ▁both ▁ 1 9 2 6 ▁and ▁ 1 9 2 9 . ▁ ▁The ▁ 1 9 2 2 ▁season ▁saw ▁W ert heim ▁called ▁up ▁to ▁the ▁Australian ▁team ▁for ▁the ▁International ▁La wn ▁Tennis ▁Challenge ▁( D av is ▁Cup ) ▁and ▁he ▁played ▁in ▁a ▁quarter - final ▁tie ▁against ▁Czech oslov ak ia ▁in ▁London . ▁He ▁featured ▁in ▁the ▁doubles , ▁with ▁Ger ald ▁P atter son , ▁which ▁they ▁won ▁in ▁straight ▁sets , ▁over ▁K arel ▁Ar d elt ▁and ▁Friedrich ▁Ro hrer . ▁It ▁was ▁the ▁only ▁rub ber ▁he ▁would ▁ever ▁play ▁and ▁he ▁later ▁would ▁j oc ular ly ▁declare ▁that ▁he ▁was ▁one ▁of ▁the ▁few ▁players ▁to ▁be ▁un be aten ▁in ▁the ▁Davis ▁Cup . ▁While ▁in ▁England ▁he ▁competed ▁at ▁W im ble don ▁and ▁was ▁runner - up ▁in ▁the ▁All