Giải quần vợt vô địch quốc gia Mỹ 1881 – Đơn

Richard Sears
| runner = William Glyn
| score = 6–0, 6–3, 6–2
| draw = 25
| before_year = no
| type = men
}}

Richard Sears giành danh hiệu Đơn nam tại Giải quần vợt vô địch quốc gia Mỹ đầu tiên, khi đánh bại William Glyn 6–0, 6–3, 6–2 trong trận chung kết. Ngoại trừ trận chung kết, mỗi trận đấu được diễn ra theo thể thức best of three sets. Sự tham gia chỉ giới hạn cho các thành viên của USNLTA.

Kết quả

Chung kết
Richard Sears
| RD1-score1-1=6
| RD1-score1-2=6
| RD1-score1-3=
| RD1-seed2=
| RD1-team2= Crawford Nightingale
| RD1-score2-1=3
| RD1-score2-2=5
| RD1-score2-3=

| RD1-seed3=
| RD1-team3= Edward Gray
| RD1-score3-1=
| RD1-score3-2=
| RD1-score3-3=
| RD1-seed4=
| RD1-team4=bye
| RD1-score4-1=
| RD1-score4-2=
| RD1-score4-3=

| RD1-seed5=
| RD1-team5= William Glyn
| RD1-score5-1=6
| RD1-score5-2=4
| RD1-score5-3=6
| RD1-seed6=
| RD1-team6= William Gammell
| RD1-score6-1=4
| RD1-score6-2=6
| RD1-score6-3=4

| RD1-seed7=
| RD1-team7= Samuel Shaw
| RD1-score7-1=4
| RD1-score7-2=6
| RD1-score7-3=6
| RD1-seed8=
| RD1-team8= Kessler
| RD1-score8-1=6
| RD1-score8-2=3
| RD1-score8-3=1

| RD2-seed1=
| RD2-team1= Richard Sears
| RD2-score1-1=6
| RD2-score1-2=6
| RD2-score1-3=
| RD2-seed2=
| RD2-team2= Edward Gray
| RD2-score2-1=3
| RD2-score2-2=0
| RD2-score2-3=

| RD2-seed3=
| RD2-team3= William Glyn
| RD2-score3-1=6
| RD2-score3-2=6
| RD2-score3-3=
| RD2-seed4=
| RD2-team4= Samuel Shaw
| RD2-score4-1=2
| RD2-score4-2=2
| RD2-score4-3=

| RD3-seed1=
| RD3-team1= Richard Sears
| RD3-score1-1=6
| RD3-score1-2=6
| RD3-score1-3=6
| RD3-score1-4=
| RD3-score1-5=
| RD3-seed2=
| RD3-team2= William Glyn
| RD3-score2-1=0
| RD3-score2-2=3
| RD3-score2-3=2
| RD3-score2-4=
| RD3-score2-5=
}}

Nửa trên
RD Sears
| RD1-score01-1=6
| RD1-score01-2=6
| RD1-score01-3=
| RD1-seed02=
| RD1-team02= HW Powell
| RD1-score02-1=0
| RD1-score02-2=2
| RD1-score02-3=

| RD1-seed03=
| RD1-team03= Anderson
| RD1-score03-1=6
| RD1-score03-2=6
| RD1-score03-3=
| RD1-seed04=
| RD1-team04= Randolph
| RD1-score04-1=2
| RD1-score04-2=0
| RD1-score04-3=

| RD1-seed05=
| RD1-team05= CA Nightingale
| RD1-score05-1=6
| RD1-score05-2=6
| RD1-score05-3=
| RD1-seed06=
| RD1-team06= Caldwell
| RD1-score06-1=2
| RD1-score06-2=0
| RD1-score06-3=

| RD1-seed07=
| RD1-team07= WH Barnes
| RD1-score07-1=6
| RD1-score07-2=1
| RD1-score07-3=6
| RD1-seed08=
| RD1-team08= Miller
| RD1-score08-1=2
| RD1-score08-2=6
| RD1-score08-3=1

| RD1-seed09=
| RD1-team09= EH Gray
| RD1-score09-1=6
| RD1-score09-2=6
| RD1-score09-3=
| RD1-seed10=
| RD1-team10= FJ Hines
| RD1-score10-1=5
| RD1-score10-2=3
| RD1-score10-3=

| RD1-seed11=
| RD1-team11= Coggswell
| RD1-score11-1=6
| RD1-score11-2=6
| RD1-score11-3=
| RD1-seed12=
| RD1-team12= Congdon
| RD1-score12-1=4
| RD1-score12-2=5
| RD1-score12-3=

| RD2-seed01=
| RD2-team01= RD Sears
| RD2-score01-1=6
| RD2-score01-2=6
| RD2-score01-3=
| RD2-seed02=
| RD2-team02= Anderson
| RD2-score02-1=1
| RD2-score02-2=2
| RD2-score02-3=

| RD2-seed03=
| RD2-team03= CA Nightingale
| RD2-score03-1=6
| RD2-score03-2=6
| RD2-score03-3=
| RD2-seed04=
| RD2-team04= WH Barnes
| RD2-score04-1=4
| RD2-score04-2=3
| RD2-score04-3=

| RD2-seed05=
| RD2-team05= EH Gray
| RD2-score05-1=6
| RD2-score05-2=6
| RD2-score05-3=
| RD2-seed06=
| RD2-team06= Coggswell
| RD2-score06-1=0
| RD2-score06-2=0
| RD2-score06-3=

| RD3-seed01=
| RD3-team01= RD Sears
| RD3-score01-1=6
| RD3-score01-2=6
| RD3-score01-3=
| RD3-seed02=
| RD3-team02= CA Nightingale
| RD3-score02-1=3
| RD3-score02-2=5
| RD3-score02-3=

| RD3-seed03=
| RD3-team03= EH Gray
| RD3-score03-1=
| RD3-score03-2=
| RD3-score03-3=
| RD3-seed04=
| RD3-team04=bye
| RD3-score04-1=
| RD3-score04-2=
| RD3-score04-3=

| RD4-seed01=
| RD4-team01= RD Sears
| RD4-score01-1=6
| RD4-score01-2=6
| RD4-score01-3=
| RD4-seed02=
| RD4-team02= EH Gray
| RD4-score02-1=3
| RD4-score02-2=0
| RD4-score02-3=
}}

Nửa dưới
WE Glyn
| RD1-score01-1=1
| RD1-score01-2=6
| RD1-score01-3=6
| RD1-seed02=
| RD1-team02= AL Rives
| RD1-score02-1=6
| RD1-score02-2=1
| RD1-score02-3=1

| RD1-seed03=
| RD1-team03= RF Conover
| RD1-score03-1=6
| RD1-score03-2=6
| RD1-score03-3=
| RD1-seed04=
| RD1-team04= EL Morse
| RD1-score04-1=1
| RD1-score04-2=1
| RD1-score04-3=

| RD1-seed05=
| RD1-team05= W Gammell
| RD1-score05-1=1
| RD1-score05-2=6
| RD1-score05-3=6
| RD1-seed06=
| RD1-team06= AE Newbold
| RD1-score06-1=6
| RD1-score06-2=3
| RD1-score06-3=1

| RD1-seed11=
| RD1-team11= Rathbone
| RD1-score11-1=6
| RD1-score11-2=5
| RD1-score11-3=6
| RD1-seed12=
| RD1-team12= FN Saunders
| RD1-score12-1=5
| RD1-score12-2=6
| RD1-score12-3=5

| RD1-seed13=
| RD1-team13= Kessler
| RD1-score13-1=6
| RD1-score13-2=6
| RD1-score13-3=
| RD1-seed14=
| RD1-team16= Pruyn
| RD1-score14-1=1
| RD1-score14-2=4
| RD1-score14-3=

| RD1-seed15=
| RD1-team15= WW Smith
| RD1-score15-1=
| RD1-score15-2=
| RD1-score15-3=
| RD1-seed16=
| RD1-team14= F Eldridge
| RD1-score16-1=w/o
| RD1-score16-2=
| RD1-score16-3=

| RD2-seed01=
| RD2-team01= WE Glyn
| RD2-score01-1=6
| RD2-score01-2=6
| RD2-score01-3=
| RD2-seed02=
| RD2-team02= RF Conover
| RD2-score02-1=5
| RD2-score02-2=2
| RD2-score02-3=

| RD2-seed03=
| RD2-team03= W Gammell
| RD2-score03-1=
| RD2-score03-2=
| RD2-score03-3=
| RD2-seed04=
| RD2-team04=bye
| RD2-score04-1=
| RD2-score04-2=
| RD2-score04-3=

| RD2-seed05=
| RD2-team05= S Shaw
| RD2-score05-1=6
| RD2-score05-2=6
| RD2-score05-3=
| RD2-seed06=
| RD2-team06= Rathbone
| RD2-score06-1=3
| RD2-score06-2=5
| RD2-score06-3=

| RD2-seed07=
| RD2-team07= Kessler
| RD2-score07-1=6
| RD2-score07-2=6
| RD2-score07-3=
| RD2-seed08=
| RD2-team08= WW Smith
| RD2-score08-1=1
| RD2-score08-2=2
| RD2-score08-3=

| RD3-seed01=
| RD3-team01= WE Glyn
| RD3-score01-1=6
| RD3-score01-2=4
| RD3-score01-3=6
| RD3-seed02=
| RD3-team02= W Gammell
| RD3-score02-1=4
| RD3-score02-2=6
| RD3-score02-3=4

| RD3-seed03=
| RD3-team03= S Shaw
| RD3-score03-1=4
| RD3-score03-2=6
| RD3-score03-3=6
| RD3-seed04=
| RD3-team04= Kessler
| RD3-score04-1=6
| RD3-score04-2=3
| RD3-score04-3=1

| RD4-seed01=
| RD4-team01= WE Glyn
| RD4-score01-1=6
| RD4-score01-2=6
| RD4-score01-3=
| RD4-seed02=
| RD4-team02= S Shaw
| RD4-score02-1=2
| RD4-score02-2=2
| RD4-score02-3=
}}

Tham khảo